Russia's leader apologises for the downing of an Azerbaijani plane in Russian airspace - without directly taking blame.

Russian President Vladimir Putin on Saturday apologized to his Azerbaijani counterpart for what he called a “tragic incident” following the crash of an Azerbaijani

Russian President Vladimir Putin said Saturday that Russia’s air defense systems were active when an Azerbaijan Airlines flight attempted to land in Grozny, Chechnya on Wednesday.

A survivor of Wednesday’s Azerbaijan Airlines crash said the plane’s pilots tried to land in Grozny, Chechnya three times, followed by an explosion outside the plane, according to an audio recording shared by Russian TV channel RT.

Sources told Reuters the plane had been hit by Russian fire. "It was as if it was drunk - not the same plane anymore," one passenger recalled.

Azerbaijan Airlines, the carrier of the passenger jet that crashed in Kazakhstan on Christmas Day, said preliminary investigations have found the disaster occurred “as a result of physical and technical external interference,

On 25 December, 38 people died when an Azerbaijan Airlines flight, which had been due to land in Russia, crash-landed in Kazakhstan. The circumstances around the crash remain unclear, but limited evidence so far suggests it may have been damaged by missiles fired by a Russian air-defence system as it tried to land in Chechnya.

Kazakhstan's transport minister said Russian authorities told them that an oxygen cylinder had exploded in the passenger cabin of the aircraft.

The plane was diverted from Russia and had its GPS jammed before crashing in Kazakhstan, killing 38.