At least 19 people have been killed and dozens more wounded in a shooting at a college in Russian-annexed Crimea.
An 18-year-old student ran through the technical college in Kerch firing at fellow pupils before killing himself, Russian investigators say.
Officials and witnesses have also spoken of at least one blast caused by an unidentified explosive device.
Russia seized Crimea from Ukraine in 2014 in a move condemned by many Western powers.
The annexation marked the start of a simmering conflict involving Russian-backed rebels in eastern Ukraine that goes on to this day.
What happened at the college?
Details are still emerging, and there are contradictory reports about the chronology of the attack.
The alleged perpetrator, named Vladislav Roslyakov, is said to have run from room to room as he fired, starting in the area near the canteen. He then shot himself dead, Russia's investigative committee said.
Photos later emerged in Russian media purportedly showing the body of the attacker in the college library.
The investigative committee said initial examinations suggested all the victims died of gunshot wounds, but some reports speak of shrapnel injuries.
At the same time, Russia's law enforcement sources are quoted by local media as saying that the attacker had detonated a bomb in the canteen before…
