Sam Mendes, The Hills of California

The US president saidcould be revised if "material improvements" were made, while other countries could be added as "threats emerge around the world".

It is the second time Trump has ordered a ban on travel from certain countries. He signed a similar order in 2017 during his first term in office.The White House said these "common sense restrictions" would "protect Americans from dangerous foreign actors".In a video posted to his Truth Social website last week, Trump said the recent attack in Boulder, Colorado "underscored the extreme dangers" posed by foreign nationals who had not been "properly vetted".

Twelve people were injured in Colorado on 1 June when a man attacked a group gathering in support of Israeli hostages. The FBI called it a suspected terror attack and said the suspect had used a makeshift flamethrower, Molotov cocktails and other incendiary devices.The man accused of carrying out the attack was identified as an Egyptian national, but Egypt has not been included on the list of banned countries.

Trump's latest order, which is likely to face legal challenges, drew a swift response, at home and abroad.

Chad retaliated by suspending all visas to US citizens while Somalia promised to work with the US to address security issues.Eavis said she had asked a meeting of 250 Glastonbury staff whether anyone thought the festival was overcrowded last year, and no-one put their hand up.

"And I was like, [that's] interesting, because there's a lot of talk, some people think that it was."Festival-goers will be urged to use different routes and make use of the whole site to ease congestion.

"Interestingly, people have moved slightly differently since Covid. So they tend to move more in a herd," Eavis said. "So my main thing really this year is just to communicate that there are like 10 routes to anywhere."Organisers can predict which areas are likely to be busiest by tracking the most popular artists among fans who use the festival app's schedule planner.