A Russian airliner has crashed in central Sinai with more than 200 people on board, the office of Egypt's prime minister has confirmed.
The Airbus A-321 had just taken off from the Red Sea resort of Sharm el-Sheikh, on its way to the Russian city of St Petersburg.
Egyptian media reports said wreckage of the plane had already been found and at least 20 ambulances sent to the scene.
Most of the passengers are said to be Russian tourists.
The plane was operated by the small Russian airline Kogalymavia, based in western Siberia. Latest reports say it was carrying 217 passengers and seven crew.