Russia is holding a day of mourning for at least 176 people who died in three disasters over the past four days.A fire at an old people's home killed 63 people on Tuesday, a day after at least 107 miners died in a gas blast. A plane crash on Saturday left six dead.
Flags are flying at half mast across Russia and television entertainment programmes have been cancelled.
There are fears that the death toll will rise further as the search for at least three missing miners continues.
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