Sullivan made his remarks when questioned about a New York Times article last month that said some unidentified Western officials had suggested U.S. President Joe Biden could give Ukraine the arms before he leaves office.

The United States is not considering returning to Ukraine the nuclear weapons the country previously agreed to give up under the Budapest Memorandum, U.S. National Security Advisor Jake Sullivan said in an interview on Dec.

President Vladimir Putin said on Thursday that Russia would use all weapons at its disposal against Ukraine if Kyiv were to acquire nuclear arms. The New York Times reported last week that some unidentified Western officials had suggested U.

Russia is closing in on a key town in Ukraine's defensive line made vulnerable by the loss of Vuhledar, the British defence ministry says. Meanwhile, Vladimir Putin has signed off on increasing Russia's military spending to almost a third of the total budget.

Providing Ukraine with nuclear weapons, which it willingly gave up in the early 1990s, is not considered part of the United States' military support efforts. Source: Jake Sullivan, US National Security Advisor,

The US President's National Security Advisor, Jake Sullivan, has strongly denied reports that the USA is considering reintroducing nuclear weapons to Ukraine. "This is not being considered, no," he stated in an interview with ABC.