Donald Trump has seen off all his rivals for the Republican party nomination after Ted Cruz and John Kasich threw in the towel.
So is it just a race between him and Hillary Clinton now for the US presidency?
ITV News Washington Correspondent Robert Moore reports:
Donald Trump has carved a deep dividing line in the Republican party. But despite his success, the "Never Trump" movement is still alive.
With Donald Trump and Hillary Clinton looking set to become the Republican and Democrat presidential candidates, what happens next?
It was not a good night for Cruz - first he dropped out of presidential race then he accidentally hit his wife in the face on stage.