President Vladimir Putin on Tuesday formally lowered the threshold for Russia’s use of its nuclear weapons, a move that follows U.S. President Joe Biden’s decision to let Ukraine strike targets inside Russian territory with American-supplied longer-range missiles.

Putin lowered the bar for a nuclear attack after the US lifted a ban on Ukraine using long-range missiles. Ukraine carried out its first strike with the weapons.

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.

Russian President Vladimir Putin says he may use a newly tested ballistic missile, to target key sites in Ukraine's capital.

Vladimir Putin warned on Thursday at a press conference in Kazakhstan that he would use all available weapons against Ukraine if Kyiv acquired nuclear weapons. "We will not allow it. We'll be watching their every move,