Ten people were reported to have been killed in an explosion that rocked a technical college in Kerch, in the east of Crimea, the peninsula’s emergency medicine center told TASS.
"According to preliminary data, 10 people have died," a spokesperson said.
The explosion rocked the vocational college on Wednesday afternoon. A source in local law enforcement agencies said that nearly 70 people were injured in the blast.
The city ambulance service said more than 20 people have been hospitalized.