Contradictory reports on cause of death as Colin Madsen's remains found in snow in mountainous region of Republic of Buryatia.
One victim suffered bullet wounds, two more injured after jumping out of window in Barabinsk.
He describes a mission to Moscow as the Soviet Union was imploding when he was given access to a document the authorities had earlier claimed did not exist
The male big cat's death is 'extremely dangerous' for the species, warns an expert.
More than eighty rescue workers and a helicopter are involved in the hunt for the boys in sub-zero temperatures.
Police say he hanged himself but his grieving wife does not believe he would take his own life.
US Paralympic star on emotional journey back to her roots to meet the parents who gave her up for adoption.
Survivor from helicopter disaster 'used stars and moon' to direct rescuers to crash site: he was only of 3 survivors out of 22 on board.
Young tigress died from 'prolonged hypothermia and exhaustion' after fears mother was shot by poachers.