Volgograd

Russian security forces stand guard outside a train station following a suicide attack in the Volga River city of Volgograd, about 900 kms (560 miles) southeast of Moscow, on December 29, 2013. A female suicide bomber killed 14 people when she blew herself up at the main train station in the southern city of Volgograd, raising concerns about security in Russia just six weeks before the Sochi Olympic Games. (VLADIMIR PAKHOMOV/AFP/Getty Images)

At Least 15 Dead In Suicide Bombing At Russian Train Station

A deadly suicide bombing in Russia has raised security concerns for the Winter Olympics.

12/29/2013