US officials believe the missiles would make a limited difference to Ukraine's campaign and also want to ensure that Washington's own stocks of the munitions are not depleted. Ukraine and the United States's allies are all anxiously waiting for the result of a tense US presidential election in November that could upend Washington's Ukraine policy.

UK PM Keir Starmer has met with US President Joe Biden at the White House, where they discussed Ukraine, the Middle East and the Indo-Pacific After the meeting, Starmer gave no indication if the UK and US would allow Ukraine to use long-range weapons inside Russia Russian President Vladimir Putin has warned against such a move,

Russian President Vladimir Putin has warned NATO alliance leaders that a move to lift restrictions on Ukraine’s use of longer-range Western missiles to strike deep inside his country would be considered an act of war.

Ukraine would have a good military reason to strike deeper into Russia using Western weapons, a senior NATO military official said on Saturday.

Ukraine's Air Assault Forces released video it said showed the besting of a Russian attempt to storm positions.