It has played host to countless world leaders and moments in history. Now US President Donald Trump has built a huge cage-fighting arena on the White House's South Lawn.

A massive stage is being built on the White House South Lawn for UFC fighters to compete in six bouts on June 14

Crews are erecting an octagon-shaped cage on the South Lawn that will host next month's UFC bout, helping mark the nation's 250th anniversary — and the US President's 80th…