Youtuber Ally Law runs around a swimming centre at night

A shocking video has been released showing an Internet prankster running around a swimming centre after closing hours after hiding in a flume with his friends. 

A video uploaded yesterday by YouTube personality Ally Law, 20, from Southampton, shows three friends hanging around the Quays Swimming Centre at night.

The prankster, who is also known for performing parkour stunts and free climbing dangerous structures, wrote online: ‘I can’t believe we got away with this!’

In the video, he says: ‘Me, Ben and Wilson signed up for a week’s trial at the Quays Swimming Centre.

‘Our plan is we’re going to try to hide in the flume and then when this place closes we’re going to explore.’

The trio can then be seen rushing into the flume before stopping halfway down.

Their plan was almost ruined when two suspicious employees checked the water slide and even tried to flush them out.

A shocking video has been released showing an Internet prankster running around a swimming centre after closing hours after hiding in a flume with his friends. Pictured, prankster Ally Law (right) 

But lucky for the gang, the employees found nothing after an hour and a half of searching and they were free to explore the facility.

Ally and his friends ran around the swimming centre, playing with the inflatables and shooting down the slides.

Incredibly, they even managed to fool a hapless security guard who found them by telling him they had permission to be in the swimming centre after closing time. 

A video uploaded yesterday by online prankster Ally Law, 20, from Southampton, shows the trio hanging around the Quays Swimming Centre at nigh

A video uploaded yesterday by online prankster Ally Law, 20, from Southampton, shows the trio hanging around the Quays Swimming Centre at nigh

At the end of the clip, they ultimately made their escape and ran out of the building.

The video, which has been viewed nearly 30,000 times since being uploaded to YouTube, has attracted many comments from viewers.

One viewer said: ‘Bro this was so sick! Smile on my face the whole way through man! Absolute madness!!’

Another viewer said: ‘I work at a pool/leisure centre. The workers should have checked the tube until they met in the middle, or had one going from top to bottom.’

Incredibly, they even managed to fool a hapless security guard who found them by telling him they had permission to be in the swimming centre after closing time

Incredibly, they even managed to fool a hapless security guard who found them by telling him they had permission to be in the swimming centre after closing time

This is not the first time the Internet prankster has committed a risky stunt.

In June, Ally Law clambered to the highest point of Blackpool’s Big One rollercoaster – 235ft in the air – after it shut for the day.

And in April, he shared footage of a daring stunt – filmed with a GoPro – which shows him at the top of a skyscraper in Melbourne.

A spokeswoman at Quays Swimming Centre has been contacted for comment.  

Read more at DailyMail.co.uk