Three people ended up being rushed to hospital in Wales after more than 1,000 music lovers attended an illegal rave at an industrial estate.
It is understood that hundreds of cars were dumped near the Kenfig Industrial Estate in Margam as many made the final trek by foot to the area.
Witnesses reported seeing "semi-conscious bodies lying on the road" and members of the public had to be warned to avoid the area while roads were shut by South Wales Police.
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South Wales Police said in a statement: "At 11:40 pm on Saturday, April 8 South Wales Police were called to reports of an unlicensed music event, occurring at Kenfig Industrial Estate.
"The Welsh Ambulance Service has attended in response to calls from the scene. Currently three people have been taken to hospital, none of those persons are seriously injured."
Assistant Chief Constable Mark Travis added: “Initial reports indicated that in excess of 1,000 people and 70 vehicles are in attendance. A number of officers have been deployed.
"We are urging people to leave the site safely and stay away from the event."
Wales Online reports that the number of vehicles spotted at the illegal rave is closer to 300.
"It's understood hundreds of people remain at the site, with the majority of vehicles left abandoned on Water Street leading to Kenfig Industrial Estate.
One person who attended the rave, who gave his name as Chris, travelled four hours so he could attend the event and said it's been "completely worth it".
Explaining how they find these raves, he said: "Basically they come out about a week before. Everyone sends their numbers in on the social media group and then everyone gets a group text saying: 'Ring this number on this day.'
"Then on the phone line it gives you a general area to go to. Last night it said 'head to Bristol area'. So everyone in the country going was heading to Bristol last night.
"Then that changed to Cardiff as we were driving through the night. That's the best thing. It's an adventure.
"Eventually you find out where you're going. I've been going to them for years and you get to know so many people. It says on all texts: 'Respect the land and respect the police.'
"It's just a bit of fun getting loads of people together and having a party. I've always found as long as you're nice to the police they're decent."
George, 47, travelled from Lincolnshire and admitted she is reliving her youth having been a raver in her teens and early twenties.
"To me it's a way to come and be with nature and head to the rave and to the beach. To me that's all it is," she said.
"To some it isn't that, granted, but to me it's just a chance to do that. I'm like a kid at Christmas not knowing when the next rave is coming along, not knowing where we're heading.
"That part of it is so exciting. We've driven from Lincoln and got here at midnight last night. People judge us, but they shouldn't. It's fun and it's peaceful."
Nigel travelled from Hampshire to be at the gathering along with three pals.
They're not sure when they'll be heading home but insisted the event was a vital one on the techo scene.
He said: "It's a class event and this is a good place for it. Last year we had it in Dorset. 100% worth the trip."
Some locals remained unfazed by the event.
Chris Davies said: "I started work at 6am this morning and I thought it was a concert or something. You could hear it at the bottom of the hill. They're not much trouble.
"There were people walking down this morning and I stopped a guy and asked: 'What's going on? Is it a concert.' He just went 'Uuuhhh'. I wasn't getting much out of him."
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