Censor.NET reports citing LB.ua.
Russian authorities deny the information.
Russia must follow Minsk Agreements - Kerry
Journalist and former adviser for security Affairs Denis Korotkov told that the Russian contract servicemen who died in Syria were part of a closed military group called OSM. The formation is also known as the Wagner group due to the alias of its leader, a former Russian military who participated in many armed conflicts since the collapse of the USSR.
The OSM group had also participated in military activities in Ukraine on the side of the pro-Russian terrorists.
EU and Turkey closed theirs airspace for Russian Federation
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