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.

Russian former President Dmitry Medvedev blamed NATO countries on Monday for the abandonment of a moratorium on short- and medium-range nuclear missiles and said Moscow would take further steps in response.

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 arm

Rolf Mützenich, former leader of the SPD parliamentary group in Germany's Bundestag, has criticised a "nuclear exchange" between the United States and Russia, calling it irresponsible. Source: German newspaper Der Spiegel,

The Kremlin has tried to calm tensions in a feud between Trump and Medvedev that spiraled into nuclear threats.