WARNING GRAPHIC IMAGES: Jacob Butler had inches of skin and muscle removed from his leg after contracting necrotising fasciitis following an accident at a lake in Cheshire

Jacob Butler, 14, was left with a horrific leg wound when he decided to take a dip in a lake known as the Blue Lagoon, in Colliers Moss Park, Cheshire.

WARNING: GRAPHIC IMAGES. Jacob is now warning others about the hidden risks of jumping into open water, especially in hot weather