possibly could have happened here, especially there's a lot of theories going out right now. and the egyptians have cast a wide net of theories saying that it could have been a bomb, it could have been an engine, it could have been a battery exploding. but there is a lot of questions on security at the hotels and other places here in egypt, especially there's a report out this morning about bomb detecting equipment that may -- or that has been discredited in the past that is checking hotels. so there is really a question of not only security at the airport but security in other places and we're hearing also as well that klm, the dutch carrier, is going to be bringing its staff in to cairo airport to also provide security checks so that they can get those flights running as normal. >> and, ian, i guess with the egyptians now looking at possible hotel workers and maybe this connection with the bomb,