"Criminal proceedings were instituted under article 205 of the Russian Criminal Code [terrorist attack] following the explosion in a Kerch college … According to preliminary data, an unidentified explosive device, filled with metal objects, was detonated in the canteen of the polytechnic college today," Svetlana Petrenko said.
"Investigators began to question witnesses and eyewitnesses, they are examining CCTV footage," Petrenko said.
READ MORE: Criminal Proceedings Begun After Deadly Blast in Crimea's Kerch — Investigators
Earlier in the day, the blast rocked the college in Kerch, leaving at least 10 people dead and 50 more injured, according to the Crimean health ministry.
The Russian National Anti-terrorism Committee (NAC) said that an unidentified explosive device had been detonated in the college.
