While some in Azerbaijan - a Russian ally - have called for an apology from Moscow, Kazakhstan, one of Moscow's main allies, has not pointed the finger at Russia. Russian officials had earlier said that Ukrainian drones were attacking Grozny that day.

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.