The Russian state news agency Tass reports deaths and injuries after shots were fired at a concert hall in the city of Krasnogorsk, northwest of Moscow. The background is still unclear.

NAfter the shooting at an event center in the Moscow region, the state news agency Tass reported deaths and injuries, citing eyewitnesses on site. The victims are said to be both employees and visitors to the Crocus City Hall in the city of Krasnogorsk, northwest of Moscow, the agency reported on Friday evening.

The Russian domestic secret service FSB confirmed the incident. “All necessary measures” will be taken, the state news agency Interfax quoted the service as saying.

Footage of the building, a third of which is now said to be in flames and the roof of which is in danger of collapsing, has been circulating on social networks. There was also talk of explosions.

Around 100 people could reportedly be trapped in the burning house. The background to the incident remains unclear. There was repeated talk of a possible “terrorist attack”.