Pilot error caused the latest Russian airliner crash which killed 50 people in Kazan, investigators say.

An airport security camera video has captured a doomed Russian airliner plunging to the ground in a near-vertical crash, killing all 50 on board.

Russian investigators are combing through the charred fragments of a Boeing 737 jetliner as they try to determine what caused it to crash, killing all 50 people on board.

A Boeing 737 airliner crashed in the Russian city of Kazan yesterday, killing all 50 people on board and spotlighting the poor safety record of regional airlines that ply internal routes across the world’s largest nation.