Three survivors of the downed Azerbaijani plane have described the moments on the flight before the crash. Flight attendant Zulfuqar Asadov said his arm was injured during the incident. On 25 December, 38 people died when an Azerbaijan Airlines flight, which had been due to land in Russia, crash-landed in Kazakhstan.

Authorities in several countries are working to determine what caused the deadly crash of a passenger plane yesterday in Kazakhstan. Russian aviation officials initially blamed birds, but investigators are now focusing on the possibility that a Russian air defense system struck the plane.

T hursday is an official day of mourning in Azerbaijan as an investigation is underway to determine what caused an airplane carrying 67 passengers to crash on Christmas Day in Kazakhstan, killing 38 and leaving at least 29 survivors. Video posted by CNN shows the plane crash-landing, exploding into a fireball and plumes of black smoke.