An Islamic militant group in Russia's North Caucasus claimed responsibility for twin suicide bombings in the southern city of Volgograd last month and posted a video threatening to strike the 2014 ... more 
An Islamic militant group in Russia's North Caucasus claimed responsibility for twin suicide bombings in the southern city of Volgograd last month and posted a video threatening to strike the 2014 Winter Olympics in Sochi. (Jan. 20) less 
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Mon, Jan 20, 2014 1:02 PM EST