Experts warn that the expiration of a long-standing nuclear arms control treaty between the two superpowers could mark the start of a new nuclear rivalry.

MOSCOW (Reuters) -Russia's lower house of parliament on Wednesday approved a move to withdraw from a landmark agreement with the United States aimed at reducing vast stockpiles of weapons-grade plutonium left over from thousands of Cold War nuclear warheads.

The agreement was reached following meetings between U.S. Gen. Alexus Grynkewich, who is the commander in Europe of both U.S. and NATO forces, and senior Russian and Ukrainian military officials, the U.

Europe tensions over Greenland as possibly helping to achieve its long-sought goal of weakening NATO, but Donald Trump’s second administration has also frustrated Russian plans on Ukraine and other fronts.

WASHIGNTON, D.C. — The last nuclear treaty between Russia and the United States expired Thursday, abruptly ending decades of restrictions on how many warheads the two top powers can deploy and triggering fears of a global arms race.

Dmitry Medvedev, deputy chairman of Russia’s Security Council, criticised the United States over the operation that ousted Nicolas Maduro, saying it damaged the global system of international relation