People are being warned against swimming in a former quarry full of chemicals.
It's known as the 'Blue Lagoon' and it's tranquil turquoise waters draw people from far and wide.
But experts say it's PH levels make it almost as toxic as bleach.
More top news
Moors Murderer Ian Brady died of natural causes, a coroner has ruled. The serial killer's inquest was held at Bootle Town Hall.
Missing Chloe Campbell, 17, is believed to be with a 32-year-old Craig Moran described as having a ‘history of violence’.
Cooler air will give us a brief colder spell tonight