India, May 11 -- It has been a place of political intrigue and welcomed world leaders, but the White House, on June 14, will witness a clash of titans in an octagon-shaped cage as it hosts Ultimate Fighting Championship (UFC) bouts on the South Lawn.

The bouts are part of the 250th anniversary celebrations of the founding of the US.

The event, featuring leading UFC fighters, will also coincide with President Donald Trump's 80th birthday and is billed as a premier affair on the Washington DC calendar.

Last week, Trump unveiled a rendering of the octagonal cage surrounded by thousands of spectators with the White House standing tall in the background.

The 5,000-seat makeshift arena will be built on the sprawling South Lawn, which is usu...