Moscow - An explosion ripped through a train station in the
southern Russian city of Volgograd on Sunday, killing at least 10 people,
Russian news agencies said.
The cause of the blast was not immediately clear. An attack
by a female suicide bomber in the same Russian city on 21 October killed seven
If the explosion is found to have been another strike by
Islamist militants, it will bolster fears of attacks as Russia prepares to host
the 2014 Winter Olympics in the Black Sea resort city of Sochi in less than six
On Friday, a car bomb killed three people in the southern
Russian city of Pyatigorsk.
Volgograd is a city of around one million people, about 690km
northeast of Sochi.
It lies close to Russia's North Caucasus, a strip of mostly
Muslim provinces plagued by near-daily violence in a long-running Islamist
Insurgent leader Doku Umarov, a Chechen warlord, urged
militants in a video posted online in July to use "maximum force" to
prevent President Vladimir Putin staging the Olympics.
There was no immediate claim of responsibility after