1/10Russian President Vladimir Putin (C) shakes hands with a man injured in a bomb blast, Volgograd, Russia, Jan. 1, 2014.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
2/10Pallbearers carry the coffin of Denis Andreev, age 24, who was killed by a suicide bomb blast in the main railway station, Volgograd, Russia, Jan. 1, 2014.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
3/10Russian President Vladimir Putin lays flowers at the site of a trolley bus explosion, Volgograd, Russia, Jan. 1, 2014.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
4/10Security personnel patrol the streets, central Volgograd, Russia, Jan. 1, 2014.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
5/10A policeman patrols a street with New Year's decorations, central Volgograd, Russia, Jan. 1, 2014.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
6/10A woman cries outside the main railway station, Volgograd, Russia, Dec. 31, 2013.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
7/10Investigators work at the site of a blast on a bus in Volgograd, Russia, Dec. 30, 2013.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
8/10Members of the emergency services work at the site of a bomb blast on a bus in Volgograd, Russia, Dec. 30, 2013.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
9/10Smoke pours out of the railway station after an explosion, Volgograd, Russia, Dec. 29, 2013.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
10/10Investigators work at the site of an explosion near the entrance to a train station in Volgograd, Russia, Dec. 29, 2013.
Russian President Vladimir Putin has visited the city of Volgograd, the site of this week's twin suicide bombings that left 34 people dead.
