Authorities in Kazakhstan are investigating the cause of an Azerbaijan Airlines plane crash in the country, which killed 38 people and injured 29 others on Christmas Day.The big picture: Flight J2-8243 was diverted while en route from Baku,

A passenger jet operated by Azerbaijan Airlines crashed near the city of Aktau in Kazakhstan on Wednesday, after diverting from an area of southern Russia where Moscow has repeatedly used air defence systems against Ukrainian attack drones.

Tracking websites detected the flight flying north on its scheduled route along the west coast before its flight path was no longer recorded

Survivors of the Azerbaijan Airlines plane that crashed in Kazakhstan reported hearing thuds and explosions from outside the aircraft during the flight, as the cause of the deadly catastrophe remains under investigation.

Russian President Vladimir Putin apologized for the deadly Azerbaijan Airlines Flight 8243 crash on Christmas but did not take responsibility for causing it as an investigation continues into the matter.

The black box from the Azerbaijan Airlines crash in Kazakhstan, believed to have been caused by Russian air defense, is being sent to Brazil for investigation, Kazakh authorities reported on Dec. 29.

The Malaysian Airlines flight was travelling at cruising altitude over eastern Ukraine on a journey from Amsterdam to Kuala Lumpur when it was shot down in July 2014. A pro-Russian militia had misidentified the plane as a Ukrainian military transport aircraft.