The ISIS affiliate in Sinai that is eluding Egypt's security dragnet
If a bomb knocked Airbus A321 out of the sky, that would challenge Egypt's assertions that it had brought under control militants operating in the Sinai Peninsula.
An Egyptian military helicopter flies over debris from a Russian airliner which crashed at the Hassana area in Arish city, north Egypt, November 1, 2015(photo credit: REUTERS)ByREUTERS