(BBC) — A passenger plane has crashed at an airport in the Russian city of Kazan, killing all 50 people on board.
The Boeing 737 had taken off from Moscow and was trying to land but exploded on impact at about 19:20 local time (15:20 GMT), officials said.
The Emergencies Ministry said there were 44 passengers and six crew members on the Tatarstan Airlines flight.
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Investigators are now looking at whether a technical failure or crew error may have caused the crash.