U.S. President Joe Biden provides an update on Russia and Ukraine during remarks in the East Room of the White House in Washington, U.S., February 22, 2022.
U.S. President Joe Biden provides an update on Russia and Ukraine during remarks in the East Room of the White House in Washington, U.S., February 22, 2022. Reuters / KEVIN LAMARQUE

U.S. President Joe Biden will speak with allies and partners on Monday morning after President Vladimir Putin put Russia's nuclear deterrent on high alert in the face of a barrage of Western reprisals over the war on Ukraine.

A White House official told Reuters the Russian president was escalating the war with "dangerous rhetoric" and that Russia and the U.S. have long agreed that nuclear use would have devastating consequences.

"A nuclear war cannot be won, and must never be fought," the White House official said. "We think provocative rhetoric regarding nuclear weapons is dangerous, adds to the risk of miscalculation, should be avoided, and we will not indulge in it."

The official said the U.S. is assessing President Putin's directive and at this time sees "no reason to change our own alert levels." Neither the U.S. nor NATO have any desire or intention for conflict with Russia, the official added.

The White House also pointed out Russia has signed https://www.whitehouse.gov/briefing-room/statements-releases/2021/06/16/u-s-russia-presidential-joint-statement-on-strategic-stability onto joint statements affirming a nuclear war cannot be won and must never be fought.

Russian and Ukrainian officials met on the Belarusian border to discuss a ceasefire on Monday while invading Russian forces met with determined resistance from Ukrainian troops and civilians on a fifth day of conflict.

Russia's invasion of Ukraine has also triggered a Western economic and corporate response unprecedented in its extent and coordination.

The United States on Monday blocked Americans from engaging in any transactions involving Russia's central bank, dealing a crushing blow to the country's economy.