Donald Trump has threatened to dob in veteran ABC journalist John Lyons to Anthony Albanese during an angry exchange, in which the US President revealed he is likely to meet the Australian Prime Minister next week.

Mr Trump was speaking to reporters on the White House’s South Lawn before boarding Marine One on Tuesday morning ahead of his State visit to the UK.

Responding to a question asked by John Lyons, a Four Corners journalist about whether a sitting president should be engaged in so much business activity, Mr Trump became angry.

“Well, I’m really not,” the President of the United States said.

“My kids are running the business. I’m here.”

He then ceased answering the question and rounded on the journalist who had asked it.

“But you are also …. you know what the activity, where a

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