Terrorist attacks in Odesa on 28 July: SSU and National Police detain three Russian agents. VIDEO&PHOTOS Within 24 hours, the Security Service of Ukraine (SSU) and the National Police detained the perpetrators of both terrorist attacks carried out in Odesa on 28 July this year. They were three Russian agents who planted improvised explosive devices under the cars of a Ukrainian serviceman and a... 4 069 11 Previously in trend: Terrorist attack in Odesa Car explosion