The leader of St Helens council issued a warning after a teenager died while swimming at a popular beauty spot.
The 15-year-old girl died at Carr Mill Dam after getting into difficulty in the water. She had been swimming with friends at the time who alerted the emergency services, at around 12.30pm on Thursday, June 1.
A search was carried out by police, fire crews and an underwater search and rescue team, but the girl's body was recovered from the water.