Russia has declared it's no longer considers itself bound by a self-imposed moratorium on deploying nuclear-capable intermediate range missiles, a warning that potentially sets the stage for a new arms race as tensions between Moscow and Washington rise again over Ukraine.

Russia's Security Council's Deputy Chairman Dmitry Medvedev attends a meeting of the Council for Science and Education at the Joint Institute for Nuclear Research in the Moscow region's city of Dubna,

Russia ended its moratorium on deploying medium and short-range nuclear missiles on Sunday, citing NATO actions after U.S. withdrew from INF Treaty in 2019.