Locations of 3 explosive devices with capacity of 15 kilograms of TNT on bridge in Bryansk region identified, Investigative Committee Chairman Alexander Bastrykin said.
Other key statements:
Devices placed under bridge in Bryansk and Kursk regions on railway are of Ukrainian origin.
Total of 388 passengers were on train that collided with bridge in Bryansk region, 122 people injured and 7 died.
Investigation of terrorist attacks in Kursk, Bryansk regions continues, perpetrators, organizers is being sought.
On May 20-25 Ukrainian sabotage group was neutralized in Bryansk region, found cache with plastid, Ukrainian control units.