Russian National Anti-Terrorism Committee Says Volgograd Bus Explosion Caused By Bomb

At least five killed, no one has claimed responsibility for the attack

An explosion that killed at least five people on a bus in the southern Russian city of Volgograd was caused by a bomb, Russia's National Anti-Terrorism Committee has said in a statement.

The blast, which happened just after 14:00 (10:00 GMT), also injured more than a dozen people, many seriously.