The apology from Russian President Putin came as allegations mounted that the plane had been shot down by Russian air defenses.

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.

Russia's Vladimir Putin on Saturday apologised to Azerbaijan's president for a "tragic incident" which happened in Russian airspace involving an Azerbaijan Airlines passenger plane that crashed after air defences were used against Ukrainian drones.

Putin apologizes to Azerbaijani President for tragic plane crash in Kazakhstan, amid allegations of Russian involvement.

Russian President Vladimir Putin apologized to his Azerbaijani counterpart after an incident in Russian airspace that led to the crash of an Azerbaijan Airlines passenger aircraft on Dec. 25, killing dozens.

Russians who reviewed the transcript of the crew's conversations from the Baku-Grozny flight themselves admit that the air crash was caused by their air defense systems (ADS), according to Andriy Kovalenko,

Putin apologized for the “tragic incident” that occurred in Russian airspace, but the Kremlin did not take responsibility for downing the Azerbaijan Airlines flight.

The White House said Friday there were "early indications" that Russian air defenses downed an Azerbaijan Airlines flight in Kazakhstan.

Russian President Vladimir Putin apologizes to Azerbaijani leader after the crash of an Azerbaijani airliner in Kazakhstan that killed 38 people.