Russia probes 'executions' video
Russian officials are investigating a video which appears to show two men being murdered, execution-style, by far-right extremists.
The clip, which was posted on some websites, shows one man apparently being beheaded and the other shot.
One was from Russia's southern republic of Dagestan and the other from Tajikistan, captions on the video say.
A group calling itself the National Socialists of Rus says it carried out the attack.
Violence against people from the Caucasus and from central Asian and other foreign countries has been increasing in Russia in recent years...