Over in the US, President Donald Trump has completed his first week in office and he hasn't wasted any time reversing the policies from his predecessor.

After returning to the White House, Trump signed hundreds of executive actions that addressed issues he raised on the campaign trail - from changes to the economy and immigration to renaming the Gulf of Mexico and releasing files related to President John F Kennedy's assassination.

US correspondent Dan Mitchinson says Trump's likely feeling extra pressure to make changes in this second term.

"We know he only has one term and we know in about 18 months we're going to start talking about who's going to run in 2028, candidates are going to be throwing their hat in and starting their campaign... and that's going to take the spotlight off his agenda."

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