The White House is reviewing whether additional steps are needed to protect US commercial flights in response to the Russian plane crash.
On Saturday a flight from the Egyptian resort of Sharm el Sheikh bound for St Petersburg crashed killing all 244 people on board.
The UK government believes it was caused by a bomb and has suspended all flights from the airport.
The White House says that "some information has been learned" that supports Britain's suspicions but spokesman Josh Earnest refused to be drawn on details.
IN:"At this point..."
OUT: "...foreign airports"
DUR: 27 seconds