The White House lawn is usually where Donald Trump delivers brutal slapdowns of his political opponents before the world’s media.

Next year, it could become the political battleground could be transformed into a ring, with the world’s top fighters facing off in an Ultimate Fighting Champion (UFC) championship bout to mark America’s 250th birthday.

Mr Trump unveiled the plans at a rally in Iowa on Thursday, telling supporters the event would take place in front of up to 25,000 people.

“We’re going to have a UFC fight on the grounds of the White House. We have a lot of land there. Dana is going to do it,” Mr Trump said.