Credit: Rosaviatsiya, RU-RTR, LADA.KZRussia's aviation chief said on Friday that a Ukrainian drone attack was under way in the Russian region that an airliner was destined for before it diverted and crashed earlier this week.He did not comment on suggestions Russian air defences were at fault for the crash.

Credit: Rosaviatsiya, RU-RTR, LADA.KZRussia's aviation chief said on Friday that a Ukrainian drone attack was under way in the Russian region that an airliner was destined for before it diverted and crashed earlier this week.He did not comment on suggestions Russian air defences were at fault for the crash.