The moment Russian plane burst into flames (watch pics)

Kazan, Russia: All 50 people on board a Tatarstan Airlines plane(Boeing 737 ) were killed on Sunday when it crashed and caught fire while trying to land in the Russian city of Kazan.A Shocking footage of the accident has been broadcasted by Russian television stations today.The video shows the plane descending in a steep dive before exploding in a giant fireball on the runway the Russian city of Kazan yesterday.The brief video taken by an airport security camera showed the plane going down at high speed at a nearly vertical angle and then hitting the ground and exploding. Here are the stills from the video:The video shows the light emitting from the Boeing 737 .The plane descends in a steep five towards the runway while in an attempt to land.This image show plane going down at high speed.The plane explodes after crash landing at a near vertical angle.The aircraft burst into flames.Authorities investigate the charred debris of the Boeing 737 at the international airport in Kazan.This photograph shows debris at the crash site of the doomed airliner.In this photo provided by Russian Emergency Situations Ministry, fire fighters and rescuers work at the crash site of a Russian passenger airliner near Kazan.Fire fighters and rescuers work at the crash site.The plane crashed an hour after taking off from Moscow.