Donald Trump has said that he is disappointed but not done with Vladimir Putin, in an exclusive phone call with the BBC. The US president was pressed on whether he trusts the Russian leader, and replied: "I trust almost no-one."

U.S. President Donald Trump said he was "not done" with Russian President Vladimir Putin, according to a BBC interview published on Tuesday, hours after he said he was disappointed in Putin and threatened Moscow with sanctions.

Ukraine war this week, announcing a deal to send weapons to Ukraine via NATO and giving Vladimir Putin an ultimatum to make peace. Charles Kupchan, senior fellow at the Council on Foreign Relations, speaks with John Dickerson about the president's new stance.

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