Moscow saw its second suicide attack in less than 12 months on Monday as a terrorist assault on the Russian capital's Domodedovo airport left at least 35 dead, officials said.
Here is a factbox of the main terrorist attacks in Russia in recent years.
1999
On September 8, 1999, two sections of a nine-story apartment building in southeastern Moscow's Guryanov Street were blown up, killing 106 people and injuring more than 200.
Five days later, an eight-story residential block on Kashirskoye Highway was blown up, killing 124.
2002
On May 9, 2002, an explosion during a military parade in the city of Kaspiysk, in Russia's North Caucasus Republic of Dagestan, left 44 dead and 133 wounded.
October 23, 2002 saw some 50 armed Chechen militants seize a theater in Moscow where over 800 people had gathered for a performance. Over 120 hostages died when the security services gassed the building.
On December 27, 2002 three suicide bombers in ran vehicles into the headquarters of the Chechen government in Grozny. The attack killed 83 people, and 210 were injured.
2003
2009
A bomb hit the Nevsky Express train between Moscow and St. Petersburg on November 27, 2009, killing 27 people.
2010
During the morning rush hour of March 29, 2010, two suicide bomber women blew themselves up at two stations of the Moscow Metro (Lubyanka and Park Kultury). At least 40 people were killed, and more than 100 injured.