downing the group. >> they will not see if the leader was involved in the crash. they insist it's too soon to know if a terror attack brought the plane down. the u.s. and britain are all but certain the blom blew the plane apart killing all 224 people onboard. >> from more let's go to ian lee from sharm el sheikh. comments made are given further weight to the theory the bomb brought down this plane. >> that's right, asia. he said it's likely the bomb did. the slowly more senior officials in both the uk and the u.s. governments are saying that they are getting -- that they do believe that a bomb took down this flight. and we have seen a bit of a shift from the egyptians and the russians as well. the egyptians now saying they are not ruling out anything, but they say that it could still be an engine explosion or battery