At least 53 people have died in a fire that tore through a shopping and entertainment complex in the Siberian coal-mining city of Kemerovo.
A Russian transport plane has crashed in Syria killing all 26 passengers and six crew members believed to have been on board, the defence ministry says.
Four people have been killed, and a further four injured, following a shooting at a Christian church in the Russian republic of Dagestan.
A Russian plane carrying 71 passengers and crew has crashed after vanishing from radars as it left a Moscow airport, heading for the Urals.
A bus has caught fire in north-western Kazakhstan, killing 52 people, the interior ministry has said.
At least seven people have been wounded following a knife attack in the city of Surgut, in central Russia, with police shooting the attacker dead.
At least 12 people have been killed, and a hospital severely damaged, following Syrian or Russian airstrikes in the rebel-held Idlib province of Syria.
At least two people.
At least 10 people have been killed, and more than 50 wounded, following explosions on two train carriages at metro stations in the Russian city of St. Petersburg.
At least 16 people have been killed, following an airstrike on a prison in the rebel-held Idlib province, in Syria.