A Russian passenger plane crashed on Sunday at an airport in the city of Kazan, killing 50 people, Russian Television said. The Boeing 737 had taken off from Moscow and was reportedly trying to land but exploded on impact. Russian officials told local media there were no survivors. The plane, which belongs to Tatarstan Airlines, crashed about 7:20 p.m. local time (15:20 GMT). There were no immediate indications of what may have led to the crash. Kazan is the capital of the Russian Republic of Tatarstan.