The long-range missiles provided by the United States and Britain were used to strike inside Russian territory, despite concerns that their use would escalate the conflict. Kyiv’s stockpiles are running out.

President-elect Donald Trump says he might reverse President Joe Biden’s decision to permit Ukrainian forces to use American long-range weapons to strike deeper into Russian territory.

Moscow has warned Donald Trump against resuming the testing of nuclear weapons when he takes office, saying it would “not rule anything out” in response to US aggression.

After the US and Russia tested a nuclear bomb in the 1990s, Russia signed the Comprehensive Nuclear Test Ban Treaty in 1996 and ratified it in 2000.