Russian President Vladimir Putin has signed a decree calling up Russian citizens in the reserve for military training in 2022, RIA Novosti reports.

"In 2022, to call Russian citizens who are in reserve to undergo military training in the Russian Armed Forces, state security agencies and federal security service agencies," a document published on Saturday, February 19 says.

The leader of the east Ukraine breakaway region of Donetsk earlier announced a general mobilisation in a video statement, France 24 said.

"I urge my fellow citizens who are in the reserves to come to military conscription offices. Today I signed a decree on general mobilisation," said Denis Pushilin, the leader of the so-called Donetsk People's Republic.