4101 visitors online
The elimination of Russian occupiers has been a focal point of Ukrainian military operations, particularly in 2025, as troops and drone units achieved substantial victories. The 60th Mechanised Brigade distinguished itself by eliminating over 8,200 enemy personnel, dozens of tanks, and 13,500 unmanned aerial vehicles. This success came through coordinated efforts involving artillerymen, infantrymen, and drone operators. Meanwhile, special units like Omega-West and SIGNUM effectively targeted occupiers in strategic locations such as Rodynske and the Lyman region, reflecting Ukraine's tactical flexibility. The persistent pressure on enemy positions, conducted by units like the "Steel Border" and the BULAVA company, showcases Ukraine’s commitment to regaining territorial control and enhancing national security, further evidenced by the achievements of the Chervona Kalyna brigade and the 3rd Mechanized Battalion.

What were the main achievements against Russian occupiers in 2025?

In 2025, Ukrainian forces, notably the 60th Mechanised Brigade, eliminated over 8,200 enemy troops, numerous tanks, and thousands of drones. Tactical operations in diverse regions such as Lyman and Kursk displayed significant successes in combat, with coordinated artillery and drone strikes yielding high enemy losses.

How did Ukrainian drone operators contribute to the elimination of Russian forces?

Ukrainian drone operators played a crucial role, especially units like Omega-West and SIGNUM, targeting and eliminating Russian forces in strategic locations. Their strikes were instrumental in debilitating enemy movements, successfully conducting missions that thwarted advances and inflicted major damage on Russian positions.

What strategies did Ukrainian forces employ to defeat Russian troops?

The Ukrainian military employed a combination of artillery, drone warfare, and infantry advancements to outmaneuver Russian occupiers. Effective reconnaissance and precision strikes, often stemming from technology-driven units, highlighted their flexible tactics aimed at maximizing enemy losses while minimizing risk to Ukrainian soldiers.

Where were the key battlefronts against Russian forces in late 2025?

Key battlefronts included the Lyman direction, Donetsk region, and areas such as Rodynske, Kursk, and Melitopol. Operations across these regions involved critical defenses and offenses, with brigades like Chervona Kalyna and 60th Mechanised Brigade leading successful assaults and repelling enemy advances.

What impact did Ukrainian military operations have on Russian occupiers?

Ukrainian operations significantly weakened Russian occupier morale and capability. With thousands of forces, equipment, and strategic positions decimated, Ukraine's military actions curtailed Russian advancements and bolstered national defense, illustrating the effectiveness of their resilience and tactical planning.

How did the 60th Mechanised Brigade specifically impact Russian forces?

The 60th Mechanised Brigade was instrumental in eliminating over 8,200 Russian troops and neutralizing substantial enemy technology including tanks and UAVs. Their multifaceted operations, combining artillery, drones, and ground forces, have been pivotal in securing Ukrainian advancements in contested areas.

What role did the "Steel Border" unit play in the conflict?

The "Steel Border" unit notably focused on disrupting enemy positions in the Kursk direction. Their precise and effective strikes contributed to the overall pressure maintained on Russian forces, hindering their ability to hold ground and forcing withdrawals in key sectors of engagement.

How have Ukrainian forces ensured success against technologically fortified Russian positions?

Ukrainian forces have leveraged advanced drone technology and superior tactical planning to penetrate and dismantle fortified Russian positions. By employing precise, simultaneous strikes across multiple vectors, Ukrainian units have systematically disabled enemy defenses, showcasing strategic innovation in warfare applications.

Can you describe Ukrainian special units' tactics against Russian occupiers?

Ukrainian special units such as Omega-West and SIGNUM used targeted, rapid-response tactics featuring drones and recon, focusing on neutralizing enemy personnel and equipment. These units often undertook high-stakes missions that required adaptability and precision, ensuring successful surprise offensives.

What are the future implications of Ukraine's military advancements against Russia?

Ukraine's continued military successes indicate an increasing ability to repel and reclaim territories from Russian forces. The strategic elimination of enemy combatants and technology has fortified Ukraine's defensive posture, suggesting potential for further territorial and political stabilization in Eastern Europe.

show details

Latest news Elimination of Russian occupiers

Soldiers of the Third Army Corps struck the occupiers in trenches and shelters Third Army Corps pilots destroyed four ruscists and seven enemy shelters. VIDEO Pilots of the Third Army Corps of the 63rd Separate Mechanised Brigade carried out a series of strikes against the occupiers in their area of responsibility. 2 548 1 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Special operations forces destroyed a sabotage and reconnaissance group of occupiers in a firefight Ukrainian special forces eliminated SRG of occupiers in forest in Lyman direction. VIDEO Ukrainian Special Operations Forces cleared the area of occupiers in the Lyman direction. 5 286 6 Previously in trend: Destruction of the occupiers Elimination of Russian occupiers Hostilities in Lyman sector

Border guards destroyed the occupiers’ equipment in the South Slobozhanskyi direction Border guards of "Gart" brigade destroyed 6 units of enemy equipment. VIDEO Border guards from the RUBpAK "Furia" unit of the "Gart" brigade struck a number of enemy targets in the South Slobozhanskyi direction. 936 0 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Drone operators from the 414th Brigade Ptakhy Madyara eliminated the occupier Madyar’s Birds drone hits occupier in head: his eyes pop out and mouth falls open. VIDEO Drone operators of the 414th Brigade, "Madyar’s Birds", spotted an occupier "strolling" across a Ukrainian field and eliminated him. 8 035 9 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian defenders eliminated the occupiers in the Pokrovsk direction with accurate strikes. Ruscist mistakes drone for "one of theirs": combat work by Defense Forces. VIDEO A video has been published online showing the Defence Forces striking the occupiers in the Pokrovsk direction. 4 185 4 Previously in trend: Drones against occupiers Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

Artillerymen of the 28th Brigade eliminated at least 20 occupiers in the Kostyantynivka direction. Artillery of 28th SMB obliterated 20 occupiers in tree line. VIDEO Ukrainian defenders from the 28th Separate Mechanized Brigade (SMB) of the Armed Forces of Ukraine have released a video showing combat operations against occupiers near Kostyantynivka. 3 871 4 Previously in trend: Destruction of the occupiers Elimination of Russian occupiers Kostiantynivka direction

SOF fighters conducted a sweep in a wooded area in the North Slobozhansky direction. Special forces cleared out Russian forces in forest in North Slobozhanskyi direction. VIDEO A video has been published online showing the Ukrainian Armed Forces Special Operations Forces clearing enemy positions in the North Slobozhanskyi direction. 3 656 6 Previously in trend: Destruction of the occupiers Elimination of Russian occupiers

Border guards destroyed the enemy Chinese MLRS of the occupiers near Kostyantynivka Phoenix border guards destroyed occupiers’ Chinese MLRS near Kostiantynivka. VIDEO Phoenix border guards destroyed the occupiers' Chinese Type-63 multiple launch rocket system on the outskirts of Kostiantivka with strike drones. 4 790 7 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers Kostiantynivka direction

Drone operators from the 414th Brigade Ptakhy Madyara struck the occupiers in the back with a strike drone. Madyar’s Birds strike drone tears off part of ruscist’s torso. VIDEO Drone operators from the 414th Brigade’s Madyar’s Birds unit struck a group of occupiers moving through open steppe terrain. 4 890 3 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Defence forces eliminated the occupier in the direction of Chasiv Yar Drone operators catch occupier with ammo on his back and blow him up. VIDEO 18+ Drone operators from the 3rd Security Battalion of the 101st Separate Security Brigade of the General Staff have released footage showing an occupier being eliminated in the Chasiv Yar sector. 9 892 15 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Soldiers of the 54th Brigade eliminated an invader who decided to rest under a tree Lone Russian soldier under tree was left without limbs as result of Ukrainian drone strike. VIDEO Strike drones belonging to the Incognito Group battalion of the 54th Separate Mechanised Brigade struck an occupier who was left alone after unsuccessful assaults. 6 814 20 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian drone operators strike enemy equipment and personnel on the roads Occupier tried to flee on motorcycle from Ukrainian drone but failed – combat work by Ivan Franko Group. VIDEO Ukrainian drone operators from the Ivan Franko Group continue to destroy Russian equipment along with its personnel in the hottest areas of the front line. 3 248 4 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Drone operators from the SIGNUM battalion eliminated five occupiers who were trying to hide behind trees. SIGNUM strike drones eliminated five Russian infantrymen in forest belt. VIDEO In the Lyman direction, the Defence Forces used strike drones against the invaders, who unsuccessfully attempted to remain "invisible" behind trees. 3 929 5 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers Hostilities in Lyman sector

Fighters of the 71st Brigade inflicted damage on the elite Russian Rubicon unit 71st Brigade destroyed seven enemy shelters and UAV operators of Russian Rubicon unit. VIDEO Drone operators from the 71st Jäger Brigade of the Airborne Forces used strike drones to target enemy shelters, Russian infantry, and enemy antennas. 2 966 3 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers

Soldiers of the 5th Assault Brigade eliminated the invaders with strike drones Ukrainian drone operators of 5th SAB eliminated seven invaders: one of them tried to hide in pipe. VIDEO Ukrainian defenders from the Phoenix unit of the 5th Assault Brigade showed footage of the elimination of Russian infantry during a sweep of the area. 4 548 6 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian drone operators of the Third Army Corps eliminated at least 10 occupiers Occupier catches fire after drone hit and tries to flee: FATUM’s combat performance. VIDEO Soldiers of the Third Army Corps’ FATUM battalion carried out a series of drone strikes on the occupiers. 4 659 2 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian drone operators eliminated a DRG of occupiers in the Kharkiv region Drones of Phoenix unit destroyed sabotage and reconnaissance group and occupiers’ shelters in Kharkiv region. VIDEO Drone operators from the Phoenix border guard unit used strike drones to attack occupiers' SRG in the Kharkiv region. 1 691 0 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian soldier eliminated occupier with small arms fire in Myrnohrad, Donetsk region Ukrainian soldier destroys Russian assault vehicle in Myrnorad. VIDEO A video has been published online showing a Ukrainian soldier eliminating an occupier in Myrnorad, Donetsk region. 11 437 30 Previously in trend: Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

Fighters of the 425th Skelia Regiment eliminated five occupiers in the Pokrovsk direction Ukrainian attack aircraft of 425th "Skelia" regiment eliminated five occupiers west of Pokrovsk. VIDEO Soldiers from the 425th Separate Assault Regiment "Skelia" carried out a special operation to kill five occupiers west of Pokrovsk. 4 855 8 Previously in trend: Drones against occupiers Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

SOF destroyed Russian forces concentrated in the Pokrovsk direction SOF destroyed concentration of two Russian brigades in Pokrovsk direction. VIDEO Special Operations Forces units destroyed a gathering point for personnel of the Russian Federation's 51st Army in the Pokrovsk direction. 9 674 14 Previously in trend: Elimination of Russian occupiers

Soldiers of the 414th Brigade eliminated an invader who was hiding in a cloak in the Pokrovsk direction. Occupier in anti-drone "invisibility cloak" scattered in all directions: combat work by "Madyar’s Birds". VIDEO Soldiers of the WORMBUSTERS unit of the 414th Brigade "Madyar's Birds" have published a video showing a Russian invader walking across a field in a so-called "invisibility cloak" in the Pokrovsk direction. 4 598 6 Previously in trend: Drones against occupiers Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

A dead Russian soldier is being carried on a construction wheelbarrow near Volchansk Occupiers haul their dead assault trooper in wheelbarrow on Vovchansk axis. VIDEO A video has been published online showing the occupiers transporting their dead comrade in a construction wheelbarrow. 5 892 12 Previously in trend: Destruction of the occupiers Elimination of Russian occupiers

Five Khartiia brigades destroyed 20 occupiers and 5 vehicles 21 occupiers "roasted" and 5 vehicles destroyed: combat work by Khartiia Corps drone operators. VIDEO Five brigades of the Khartiia Corps — Rubizh, Raid, Spartan, Khartiia, and the Sloviansk Brigade — released footage showing the destruction of at least 20  occupiers and enemy equipment. 4 465 6 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers

The Azov Corps, together with neighbouring brigades, eliminated the occupiers in the Dobropillia direction. Azov drones caught up with and eliminated 24 occupiers: one was hit by drone where there was no armour. VIDEO Soldiers of the 1st Corps of the National Guard of Ukraine "Azov", together with drone operators from the Unmanned Systems Forces and Airborne Assault Forces, are conducting a special operation to destroy Russian occupiers' personnel and equipment in the Dobropillia direction. 4 126 7 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers Azov Brigade

414th Brigade eliminate Russian soldier in open terrain with strike UAV Futile to run: Madyar’s Birds drone eliminated ivader in middle of field. VIDEO Drone operators of the 414th Brigade "Madyar’s Birds" eliminated an occupier with a strike UAV in open terrain. 2 319 5 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Soldiers of the Third Army Corps eliminated the occupiers and destroyed enemy equipment 3rd Army Corps fighters take out 13 occupiers, 3 shelters and 3 enemy antennas. VIDEO Drone operators from the Third Army Corps, FATUM Battalion of the 60th Mechanised Brigade, took out enemy equipment and occupiers with accurate strikes using unmanned aerial vehicles. 1 536 2 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Soldiers of the 155th Brigade showed footage of their work in Pokrovsk Drones of 155th Brigade eliminated 10 occupiers in Pokrovsk. VIDEO Fighters of the Anna of Kyiv 155th Brigade released footage of their operations in Pokrovsk. 2 301 0 Previously in trend: Drones against occupiers Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

Fighters of the 43rd Brigade eliminated 7 invaders with strike drones Strike drone of 43rd SMB hit occupier squarely in back. VIDEO Ukrainian drone operators from the 43rd Separate Mechanised Brigade (SMB) showed footage of the elimination of occupiers in their area of responsibility. 2 686 0 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

SIGNUM battalion fighters eliminated an occupier in the Liman region who was trying to play dead in the forest Occupier pretended to be dead in forest and was left "to rest" there forever: SIGNUM fighters. VIDEO Drone operators of the SIGNUM battalion, part of the 53rd Separate Mechanized Brigade, eliminated the occupier during a drone flyover in a wooded area on the Lyman front. 3 639 7 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers Hostilities in Lyman sector

Fighters from the 5th Omega detachment hit three occupiers in the Pokrovsk direction Omega special forces struck three enemy infantrymen in Pokrovsk direction. VIDEO Special forces from the 5th separate Omega detachment shared footage of the destruction of Russian infantry in the Pokrovsk direction. 1 690 3 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Border guards of the Steel Border destroyed occupiers, enemy shelters and equipment with strike drones Border guards of "Steel Border" struck eight shelters of occupiers. VIDEO Border guards of the Steel Border unit carried out strikes with attack drones against Russian troops, enemy shelters, and engineering equipment in the South Slobozhanskyi direction. 957 2 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Ukrainian drone operators destroyed an invader who was sleeping in the middle of the street, camouflaged by his jacket. "Invader’s eternal sleep": Sapsan fighters burned invader who was sleeping among ruins. VIDEO Fighters from the Sapsan unmanned systems battalion of the 30th separate mechanised brigade struck an occupier who was sleeping in the middle of the street. 5 337 8 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Drone operators from the Unmanned Systems Forces destroyed five pieces of equipment and occupiers in the Lyman direction. SIGNUM drones destroyed five pieces of equipment in Lyman direction. VIDEO Drone operators from the SIGNUM battalion of the 53rd separate mechanised brigade destroyed five pieces of equipment and personnel belonging to the occupiers in the Lyman direction. 1 763 1 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers

Russian Federation losses exceed 1.14 million occupiers Total combat losses of Russian Federation since start of war - about 1,148,910 people (+1,170 per day), 11,330 tanks, 34,301 artillery systems, 23,543 armoured combat vehicles. INFOGRAPHIC Since the start of the full-scale invasion by the Russian Federation, the Ukrainian Defence Forces have eliminated 1,148,910 Russian occupiers. 4 066 6 Previously in trend: Destruction of Russian equipment Elimination of Russian occupiers

Russia’s losses on 6 November 2025: over 1.14 million military personnel Total combat losses of Russian Federation since start of war - about 1,147,740 people (+1,170 per day), 11,329 tanks, 34,288 artillery systems, 23,541 armoured combat vehicles. INFOGRAPHIC Since the start of the full-scale invasion by the Russian Federation, the Ukrainian Defence Forces have eliminated 1,147,740 Russian occupiers. 4 679 15 Previously in trend: Destruction of Russian equipment Elimination of Russian occupiers

Drone operators from the "Hart" brigade destroyed equipment and eliminated occupiers near Vovchansk Border guards hit enemy’s "Murom-M" complex. VIDEO Fighters from the State Border Guard Service's "Hart" Brigade destroyed enemy personnel, equipment and communications in the Vovchansk area. 1 697 5 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers Destruction of the occupiers’ firing positions

Drone operators from the Phoenix unit destroyed equipment and eliminated occupiers in the Kharkiv region. Phoenix unit takes out tank, gun, and 10 occupiers in Kharkiv region. VIDEO Border guards from the Phoenix unit carried out a series of drone-dropped munition strikes with strike UAVs in the Kharkiv direction, eliminating personnel of occupiers and destroying enemy equipment. 1 627 3 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Hostilities in Kharkiv region Elimination of Russian occupiers

Footage of GUR fighters clearing enemy positions in the Lyman direction DIU special unit "Artan" conducted clearance operation against occupiers in Lyman direction. VIDEO A video shared online shows the DIU special forces unit "Artan" storming and clearing enemy positions in the Lyman direction. 4 051 4 Previously in trend: Destruction of the occupiers captured occupiers Elimination of Russian occupiers

Drones of the Third Assault Brigade killed occupiers in the Kharkiv region Minus 12 occupiers and 6 enemy shelters: combat work of Third Assault Brigade. VIDEO Fighters of the Third Assault Brigade cleared occupiers` positions in Kharkiv region using strike UAVs. 1 635 0 Previously in trend: Drones against occupiers Destruction of the occupiers Hostilities in Kharkiv region Elimination of Russian occupiers

SIGNUM battalion fighters destroyed enemy equipment and eliminated occupiers in the Lyman direction SIGNUM night operation: drones destroyed 6 enemy vehicles and 4 invaders. VIDEO Drone operators from the SIGNUM battalion of the 53rd separate mechanised brigade conducted a night operation to destroy enemy equipment and occupiers in the Lyman direction. 1 546 0 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers Hostilities in Lyman sector

Drone operators of the 157th Brigade eliminated four occupiers with strike drones Ukrainian drone operators from 157th Brigade eliminated four occupiers in Kramatorsk direction. VIDEO Soldiers from the 157th Separate Mechanised Brigade shared footage of the elimination of enemy forces in the area of the village of Pleshchiivka in the Donetsk region. 1 769 0 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers Fightings in Kramatorsk direction

Soldiers of the 414th Brigade Ptakhy Madyara eliminated the occupier with a strike drone Hiding in bushes failed: Madyar’s Birds drones incinerated occupier. VIDEO Fighters of the 414th Brigade "Madyar’s Birds" eliminated a Russian occupier who tried to hide in the bushes. 2 978 5 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Fighters of the 36th Brigade eliminated 6 occupiers and an enemy vehicle with strike drones Drone operators from 36th Brigade "toasted" 6 occupiers in building. VIDEO Soldiers of the 36th Marine Brigade named after Rear Admiral Mykhailo Bilynskyi, from the "Couriers of the Apostle Peter" unit, eliminated occupiers in a shelter. 2 731 0 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers

A soldier of the Special Operations Forces of the Armed Forces of Ukraine eliminated an occupier with control shots to the head in Pokrovsk Fatal shot to occupier’s head: SOF fighter shows battle in Pokrovsk. VIDEO A video has surfaced online showing Special Operations Forces (SOF) troops engaged in urban warfare with occupiers in Pokrovsk, Donetsk region. 16 539 31 Previously in trend: Destruction of the occupiers Combat operations in the Pokrovsk direction Elimination of Russian occupiers

Soldiers of the 77th Brigade eliminated 35 occupiers in the Kupiansk direction Soldiers of 77th Brigade eliminated 35 occupiers in Kupiansk district. VIDEO Drone operators from the 77th Airborne Brigade eliminated occupiers in the Kupiansk direction. 3 955 1 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Burevii taken out 58 occupiers and enemy equipment 58 occupiers and 71 drones taken out: Burevii fighters show week’s combat performance. VIDEO Soldiers of the First Presidential Brigade of the National Guard of Ukraine "Burevii" are taking out occupiers and equipment in the Kupiansk direction. 2 037 0 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers Fighting in the Kupіansk direction

Fighters of the 13th Brigade Khartiia eliminated 7 invaders and one shelter with strike drones. Khartiia UAV operators eliminate 7 occupiers and destroy enemy shelter. VIDEO Ukrainian drone operators continue to inflict damage on the enemy and destroy the invaders' shelters. 1 357 0 Previously in trend: Drones against occupiers Destruction of the occupiers Elimination of Russian occupiers

Soldiers of the 46th Brigade destroyed enemy equipment, occupiers and a ground drone with a grenade launcher Russian tank bogged down in mud destroyed: 46th Brigade drones struck six units of enemy vehicles. VIDEO Soldiers of the 46th Separate Airborne Brigade continue combat operations in the hottest sectors. 3 602 5 Previously in trend: Drones against occupiers Destruction of Russian equipment Destruction of the occupiers Elimination of Russian occupiers