Russia's security chief says an act of terror brought down the Russian A321 airliner in Egypt last month, killing all 224 people on board.
BBC: Russia plane crash – ‘Terror act’ downed A321 over Egypt’s Sinai
Ambulances carrying the bodies of victims of the A321 Russian airliner, that crashed in Wadi al-Zolomat, a mountainous area in Egypt's Sinai Peninsula, leave the Zeinhom morgue to Cairo airport on Nov. 1, 2015.