Chaos after attack in Moscow: Building burned ablaze - videos show the situation on site. The number of victims in the armed attacks on a concert hall on the outskirts of Moscow has risen to more than 60.

At least 115 other people were hospitalized with injuries, according to the Ministry of Health. The attack also resulted in a large-scale fire, probably caused by a grenade or incendiary bomb, as a reporter from the state agency Ria Novosti reported. Firefighters battled the fire in the huge building for hours. Dozens of ambulances and firefighting helicopters were deployed.