Russia has published a festive video of Santa Claus becoming a victim of Russian air defence against the backdrop of the tragic crash of an Azerbaijan Airlines passenger plane in Grozny, with growing evidence pointing to Russian air defence as the cause.

By Guy Faulconbridge, Andrew Osborn and Nailia Bagirova MOSCOW/BAKU (Reuters) -President Vladimir Putin on Saturday apologised to Azerbaijan's leader for what the Kremlin called a "tragic incident" over Russia in which an Azerbaijan Airlines plane crashed after Russian air defences were fired against Ukrainian drones.

Russian President Vladimir Putin apologized to his Azerbaijani counterpart for what he called a "tragic incident" following the crash of an airliner.