An Egyptian official says his commission believes Metrojet 9268 broke up in the air — and they're still investigating the last second of the cockpit voice recording, in which "a noise was heard."
Prime Minister David Cameron also said the Islamic State may have been responsible. Russian and Egyptian authorities cast doubt on the claim saying the bomb theory was mere "speculation."
Days after a Russian jet crashed in Egypt, killing 224 people, Britain has suspended its flights through the Sharm el-Sheikh airport, and cite a 'significant possibility' of a bomb on the plane.
The final moments of the aircraft are still a mystery, but cockpit voice and flight data recorders have been recovered and investigators are combing through the evidence.
The government has not determined a cause of the crash. But the company that owned the Airbus A321 said the crash could have been caused by an external force.