Killing of soldiers in Kharkiv region: deceased were service members of 72nd Separate Mechanized Brigade

The 72nd Mechanized Brigade named after the Black Cossacks reported that soldiers from the brigade were killed in a shooting in the Kharkiv region.
This is mentioned in a statement from the Mechanized Brigade, according to Censor.NET.
What is known?
"On October 13, a tragic incident occurred in the Kharkiv region, resulting in the deaths of servicemen from the 72nd Separate Mechanized Brigade named after the Black Cossacks.
"According to preliminary information, individuals who are likely citizens of the Russian Federation may be involved in the incident," the statement reads.
Efforts to determine the circumstances of the incident and locate the individuals involved are ongoing.
Further details are not being disclosed for security reasons.
"We extend our sincere condolences to the families and loved ones of the fallen servicemen. We ask media representatives and the public to refrain from spreading unverified information," the brigade concluded.
What led up to this?
- It was previously reported that an unknown assailant shot five Ukrainian soldiers in the Kharkiv region: police are searching for the attacker.
- The Office of the Prosecutor General is investigating whether the attacker was involved with a Russian sabotage and reconnaissance group.