Russian security officials are currently searching for three potential suicide bombers in the country with one reportedly 'at large' in Sochi, ESPN reports.
The winter Olympic games are due to take place in Sochi next month but serious security issues have been raised in the past few months.
This week an associated press reporter found police leaflets detailing searches for the bomb suspects.
There was a bombing in the city of Volograd last December in which 34 were killed. United States congressmen have expressed concerns that similar attacks can not happen during the games.
"We know some of them got through the perimeter," Rep. Michael McCaul, chairman of the U.S. House Homeland Security Committee, told The Associated Press.
"She's for real. What we don't know is how many more black widows are out there." "The one improvement I would ask of the Russians is to allow our intelligence services to coordinate and cooperate better with theirs," McCaul continued.
Earlier this week it was reported that US warships will be deployed to aid the safety of all athletes.
And yesterday Russian hockey player, Alexander Ovechkin told NBC that he believes that the games will pass without incident.
The Olympics will take place between the 6th and 23rd of February.
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