White House Press Secretary Josh Earnest says the U.S. already has the necessary warnings in place for the Sinai Peninsula. The FAA advises US carriers against flying over the region unless they are above 26-thousand feet.
There are no U.S. planes that are taking off or landing in the area. U.S. officials have spoken with their Russian and Egyptian counterparts, and offered to help with the investigation.
ABC’s Tom Rivers is in London and has updates.