Ever since the Winter Olympics were awarded to Russia, fears were raised about potential terrorist attacks, which have plagued the country since the collapse of the Soviet Union, writes Dmitri Trenin.

A blast that tore through an electric bus in the southern Russian city of Volgograd during Monday’s morning rush hour, killing 14, was probably carried out by suicide bombers from the same organisation behind a railway explosion a day earlier, officials said.

Fifteen people died and scores were wounded when a female suicide bomber struck at a railway station in southern Russia.

A female suicide bomber killed at least 14 people and wounded scores more at a railway station in southern Russia.

AT least five people were killed and more than 30 others injured when two explosions rocked a commuter train in a southern Russian town near the war-torn Muslim republic of Chechnya.