Donald Trump has used a joke made famous by Wayne's World and Borat to lash out at the media and insist that Sweden is facing an immigration crisis.

The 70-year-old US president tweeted: "The FAKE NEWS media is trying to say that large scale immigration in Sweden is working out just beautifully. NOT!"

Mr Trump earlier attempted to clarify a gaffe he made at a rally on Saturday, when he falsely suggested there had been an immigration-related security incident in Sweden the night before, by saying his comment was based on a television report he had seen.