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BBC's Carl Nasman was at the event, where he asked enthusiasts about World Cup ticket prices and what the sport means to the US.
The massive structure will host a cage fight as part of celebrations marking the 250th anniversary of the US Declaration of Independence.
The plans include permanent human habitation on the Earth's only natural satellite by 2032.
Hugh Schofield reports from Paris as a heat dome settled over Western Europe bringing temperatures above the average for May.
The Department of Homeland security said in a statement that the detainees receive "medical, dental, and mental health services as available".
Simon King explains how long the heatwave will last.
Texas police say a father tried to cross a flooded road after heavy rains inundated the area, urging motorists not to do the same. Neither the driver nor the baby was hurt.
Temperatures in Wales reached 32.2C on bank holiday Monday, its hottest May day on record.
A signed summary of BBC Newsline.
Finding Emily star, Coalville's Spike Fearn, wants more films made in Leicestershire.
The driver and passengers of the car managed to escape before the bridge gave way in Xiaogan.
As the UK experiences a spell of scorching May weather, the BBC's Elizabeth Rizzini has some useful advice.
Almost 90 drones fell from the sky over Sydney's Darling Harbour during a popular winter light show.
Cristo Fernández, well known for playing a footballer in the popular TV series Ted Lasso, tells the BBC it is a "dream come true" to sign with a US pro football team.
The BBC’s Bernd Debusmann explains the routine medical check of the president of the US.
In ceremonies across the nation, the Americans who died while serving in the US military are remembered.
Orange County residents had to evacuate following the threat of a failing chemical tank exploding.
The BBC's Shaimaa Khalil explains why the achievement by Greek swimmer Kristian Gkolomeev will not be accepted by official sporting bodies.
Watch the latest news summary from BBC World News. International news updated 24 hours a day.
The BBC's Sumedha Pal described how difficult it was to be standing in the streets of Delhi as temperatures rose to 45C .
