On 1 September 2004, Beslan's School No. 1 was seized by a group of at least thirty-two Islamic terrorists related to the Second Chechen War. The siege ended on 3 September with a bloody shootout between the terrorists and the Russian security forces. According to official data, 334 people were killed, 186 of them children, and hundreds more wounded. All but one of the hostage-takers were killed. The survivor was arrested. He was tried and convicted and sentenced to imprisonment.