Toothpaste Explosives Warning Issued By U.S. Ahead Of 2014 Sochi Olympics Wednesday Feb 05,2014

The Homeland Security Department is warning airlines flying to Russia that terrorists may try to smuggle explosives on board hidden in toothpaste tubes.The threat was passed onto airlines that have direct flights to Russia, including some that originate in the United States, according to a law enforcement official speaking Wednesday Feb 05,2014

Delta Airlines is the only U.S. carrier with a direct flight from the United States to Moscow.

Russian airlines Aeroflot and Transaero both operate several nonstop flights from the U.S.

United Airlines, the official airline of the U.S. Olympic team, does not have scheduled service to Russia but is operating some charter flights to Sochi.