The London-Beijing flight with 270 passengers and 16 crew landed in Irkutsk, Eastern Siberia, at 10.41 local time on Wednesday.
Overheating phone caused 'scare in the cabin', say reports.
Police find gunman who shot the female big cat.
Secret KGB documents and a book by ex-FSB colonel kickstart 100 year old search for missing Romanov treasures and valuables.
The find, as old as Christ, is the latest treasure from the sacred and mysterious site of Ust-Polui in Salekhard, say experts.
Scientists close to precise dating of the Shigir Idol, twice as ancient as the Egyptian Pyramids.
Cub was shot in the legs but there are fears the mother was also slain by poachers.