Video footage showing the site of the Sinai plane crash on Saturday, which claimed 224 lives. The airline has blamed external factors for the tragedy. Investigators warn it is too early to say what caused the accident.

Aerial video shows field of debris of Russian Metrojet crash in Egypt
Video footage showing the site of the Sinai plane crash on Saturday, which claimed 224 lives. The airline has blamed external factors for the tragedy. Investigators warn it is too early to say what caused the accident.