Russia launched what it calls its "special military operation" in February, saying Ukraine's deepening ties with the West posed a security threat.
MOBILISATIONAround 150,000 of the 300,000 reservists called up in September and October were deployed in Ukraine, 77,000 in combat units, he said.
[1/3] Russian President Vladimir Putin chairs a meeting with members of the Security Council via a video link in Moscow, Russia December 6, 2022.
President Alexander Lukashenko, who relied on Russian troops to put down a popular revolt two years ago, has so far kept his own army from joining the war in Ukraine.
Thousands of Russian troops have deployed in Belarus since October, Ukraine says, and Belarus authorities have increasingly spoken of a threat of "terrorism" from partisans operating from across the border.