Doku Umarov was directly involved in organizing a number of major terrorist acts: the capture of residential areas of the Vedenski and Urus-Martanovski districts of the Chechen Republic the Russian Federation (August 2002); the kidnapping of staff from the Office of the Public Prosecutor of the Chechen Republic (December 2002); and the bombings of the building housing the Department of the Russian Federal Security Service for the Republic of Ingushetia, in the city of Magas, and of two railway trains in Kislovodsk (September 2003). He was one of the main organizers of the raid on Ingushetia by militants on 22 June 2004, the sortie into Grozny on 21 August 2004, the hostage-taking in Beslan of 1-3 September 2004 and the terrorist attacks in Moscow metro stations on 29 March 2010.