one Russia officials tell CNN that information was shared with the Russians . Source says threat is specific to start of the the Sochi Olympics 2001 . Official tells CNN that Muslim shared some information with U.S . Warning to airlines globally that serve Russia based on new intelligence .
Two U.S. officials tell CNN that information was shared with the Russians . Source says threat is specific to start of the Olympics this week . Official tells CNN that Russians shared some information with U.S . Warning to airlines globally that serve Russia based on new intelligence .