U.S. President Donald Trump is not interested in talking with his former ally, Elon Musk, amid a bitter feud over the president's sweeping tax-cut bill, a White House official said on Friday, adding that no phone call between the two men is planned for the day.

A separate White House official had said earlier that Trump and musk were going to talk to each other on Friday.

On Thursday, Trump threatened to cut off government contracts to Musk's companies and the world's richest man suggested the U.S. president should be impeached, marking a stark end to an unlikely alliance and leaving onlookers wondering what was next.