The US has stopped sharing all intelligence with Kyiv, a Ukrainian source has told Sky News.

Previously the source, with knowledge of the situation, said the halt in the flow of intelligence had been "selective", only affecting information that could be used for attacks inside Russia.

"A few hours ago, the exchange of all information was stopped," the source said.

Earlier, the Ukrainian source indicated the "selective" pause meant US intelligence would still be shared with that could be used to attack Russian forces on Russian-occupied Ukrainian territory.

The move is another blow for Kyiv after US President Donald Trump decided to pause all military aid to Ukraine following a bust-up with Ukrainian President Volodymyr Zelenskyy in the White House.

US national security adviser Mike Waltz said Washington had "taken a step back" in its relationship with Ukraine and CIA director John Ratcliffe called the suspension a "pause" and said American intelligence and military aid could begin flowing again once Mr Trump knows Mr Zelenskyy is serious about peace.

"I think on the military front and the intelligence front, the pause I think will go away," Mr Ratcliffe told Fox Business Network.

"I think we'll work shoulder to shoulder with Ukraine as we have to push back on the aggression that's there, but to put the world in a better place for these peace negotiations to move forward."

The US has provided Ukraine with significant intelligence since Russia invaded in 2022, including critical information its military needs for targeting Russian forces.

The pause in intelligence sharing comes amid signs the frozen relationship between Mr Trump and Mr Zelenskyy appeared to be thawing following their Oval Office spat.

In a speech to Congress on Tuesday, the US president said he "appreciated" a letter from his Ukrainian counterpart saying Kyiv was ready to sign a minerals agreement with Washington "at any time".

The Ukrainian leader had said it was "time to make things right" with Mr Trump.