People attend a memorial ceremony marking the 18th anniversary of the deadly school siege in the town of Beslan, the Republic of North Ossetia-Alania, Russia. On September 1, 2004, during celebrations dedicated to the start of the school year, over 30 armed terrorists held hundreds of hostages in School No. 1 in Beslan. As a result of the three-day siege, 334 people, including 186 children, were killed.