Vladimir Putin has admitted Russia's air defences were responsible for shooting down an Azerbaijani passenger jet in December, killing 38 people. The Russian president said missiles fired by Russian air defences to target a Ukrainian drone detonated near the Azerbaijani Airlines plane, which was flying from Baku, as it prepared to land in Grozny, the regional capital of the Russian republic of Chechnya, on Christmas day last year. "The two missiles that were launched did not hit the plane