Radical Islamists from Chechnya and other North Caucasian republics have been held responsible for a number of terrorist attacks throughout Russia , most notably the Russian apartment bombings in 1999 , the Moscow theater hostage crisis in 2002 , the Beslan school hostage crisis in 2004 , the 2010 Moscow Metro bombings and the Domodedovo International Airport bombing in 2011
Russian apartment bombings
Russian apartment bombings
Chechen–Russian conflict