Endangered Amur tigers are protected under President Vladimir Putin's special project.
The loved-ones of the nine crew of a freighter loaded with gold ore are refusing to give up the slender hope that they will be found alive.
The wreck of the Amurskaya freighter has been found by divers in around 24 metres of water, officials confirmed on Wednesday.
Airmen 'parachuted' from stricken jet in latest of spate of accidents afflicting military aircraft.