The BBC toured the UFC arena at the White House.

UFC Freedom 250 will take place on the South Lawn of the White House on June 14, the 80th birthday of US President Donald Trump, as well as part of the 250th anniversary of the signing of the Declaration of Independence.

The BBC’s White House correspondent, Bernd Debusman, took a closer look at the Octagon, or fighting arena, and “The Claw”, a 92ft (28.04 metres) high, 154ft (46.94 metres) wide structure on the South Lawn, where more than 4,300 people are expected to attend the event.

Video by Meiying Wu