Wembley Stadium has been forced to implement new health and safety rules ahead of Harry Styles’ heatwave gig tonight.
On Tuesday (23 June), the ‘Watermelon Sugar’ hitmaker, 32, will perform his sixth of twelve gigs in London, alongside Shania Twain, who’s the opening act.
However, concerns have been raised over the sweltering temperatures, which are expected to reach between 35C and 36C in the English capital.
The Met Office has issued a rare red weather warning, which ‘indicates a risk to life for even the healthy population’.
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It is forecast to be 33C in Wembley at 5pm, when the doors to the concert open, and fans have been instructed not to arrive too early to avoid waiting outside in the sun.
Unfortunately, it’s not set to cool down by much as it will still be 31C when the former One Direction star takes to the stage at 8.15pm.

Even without a heatwave, concerts are often warmer environments - especially if you’re on the floor in the pits, squished together with hundreds of other people, so it’s understandable that people are worried about the scorching temperatures.
In an effort to help, Wembley is bending its rules to allow metal or hard plastic water bottles inside the stadium to keep people hydrated.
Usually, anything except a plastic single-use water bottle with the lids off is a big no-no.
Attendees will also be able to fill up their water bottles at one of the free refillable water stations located inside.
Meanwhile, bottled water sold across all bars will have a 50 per cent reduction in price, and a message from the stadium to all guests attending the show has urged them to take regular breaks in shaded areas and to wear sun cream.
Wembley has confirmed that free sun cream will be available from all information points inside the stadium.
Fans are also advised to avoid consuming too much alcohol and instead stay hydrated with water, as well as adhere to the advice on screens and information points around the stadium.

However, some Styles fans are still concerned about the event going ahead in such temperatures, as well as bottled water not being free.
It's important to note, though, that it's only bottled water that will cost money, as there will be free water stations throughout the venue.
One X user wrote: “Bottle of water half price, sun cream free… just make the water free too."
While a second added: “Personally, I think the concert should be rescheduled, it’s a health risk to everyone performing and attending especially as the temperature will be worse in the stadium due to the amount of people.”
A third and fourth wrote: “Water should be free, absolutely disgusting!!!!” and “Dates lowkey need to be cancelled it’s not safe at all for all those people to be close in pits in this weather.”
And a fifth added: "Lowkey Harry might have to cancel his show on Tuesday because that heat will be insane."
It’s unknown whether the new rules will also be in place for the next show, which will take place on Friday (26 June).
Tyla has contacted Wembley Stadium for comment.