Young people in Portsmouth urged not to 'tombstone' this summer
The City Council is working with the police and RNLI to make sure people are aware of the risks
Young people in Portsmouth are being warned they risk death or serious injury if they 'tombstone' this summer.
The City Council is working with Hampshire & Isle of Wight Police and the RNLI to educate parents and their children about the risks.
'Tombstoning' is when people jump from heights - such as the Round Tower in Old Portsmouth - into open water.
Many people are often unaware of the risks, particularly of what is beneath the water.
Speaking to Greatest Hits Radio, Portsmouth City Council Cabinet Member for Community Safety, Leisure & Sport, Councillor Lee Hunt, said 'tombstoning was "very dangerous".
He's urging people to discourage their friends from taking part.
"We've seen tragedy here in Portsmouth, we've seen people die in the water, and we've seen people very seriously injured when they jump off high places."
Cllr Hunt also warned people could very easily get sucked into strong currents in Portsmouth Harbour.
"The wash from the large boats can catch you off-guard, and can catch you off-guard, and then you can get into trouble just in a moment."