At least 15 people have been killed, following a civilian helicopter crash, in Siberia, Russia.
A Russian airliner, carrying more than 200 people, has crashed in the central region of Egypt’s Sinai peninsula, according to a statement by the Egyptian government.
Russian helicopters have reportedly been identified, by United States officials, at an airfield in Syria.
Tajikistan security forces have reportedly tracked down and killed a renegade ex-deputy defence minister.
At least 10 people, eight policemen and two gunmen, have been killed, following armed attacks in Tajikistan.
At least two Ukrainian soldiers, and several civilians, have been killed, following fighting between Ukrainian forces and pro-Russian rebels, in restive eastern Ukraine.
Two Ukrainian police officers have been wounded in explosions in the western Ukrainian city of Lviv, raising fears of attempts to destabilise the west of Ukraine.
At least 23 soldiers have been killed, and a further 19 people pulled from the rubble, following the collapse of a military barracks, near the Siberian city of Omsk.
The offices of a Russian rights group in Chechnya were reportedly raided by masked men, some purportedly wielding hammers, during a protest against the group’s work.
The commander of an elite Tajik police force, who received training from US forces, has defected to the Islamic State militant group.