"After the events in Kerch, in October alone we prevented a whole series of real attacks on schools," the first deputy head of FSB, Sergei Yegorov, said at a roundtable in the Federation Council on security issues in educational institutions.
READ MORE: Kerch College Students Return to Studies Week After Bomb, Shooting Attack
Yegorov's comments follow an October 17 incident when an 18-year-old student started shooting and detonated a bomb in a college in Kerch, Crimea, where he studied himself.
The attack claimed the lives of 21 people, including 16 students and 5 staff members, while over 50 were injured. After the attack, the perpetrator killed himself inside the college library.