A 15-year-old girl died after a collision between a Rigid Inflatable Boat (RIB) and a buoy at a marina in Hampshire, police say.
The incident happened at Marchwood Marina, Netley, near Southampton, at around 10.10am this morning.
Hampshire Constabulary as well as the coastguard, lifeboat and ambulance teams rushed to the location after the distress call was made.
Twelve people were injured during the crash and were taken to shore for treatment.
The teen was taken to hospital but later died of her injuries. Her next of kin have been informed and are being supported by specialist officers.
An investigation into the incident has now been launched.
A police statement said: “We are working alongside the Coastguard and Marine Accident Investigation Branch following a collision between a RIB and a buoy in Marchwood Marina, Netley, at around 10.10am this morning (22 August).
“Twelve people who were on board were subsequently taken to hospital.
“Sadly, one of the passengers, a 15-year-old girl, was pronounced dead in hospital.
“The girl’s next of kin have been informed and are being supported by specialist officers from Hampshire Constabulary.
“Enquiries into the circumstances remain ongoing, and we would ask anyone who witnessed the incident, or perhaps captured footage of it, to please contact police immediately on 101, quoting incident 554 of today’s date.”
A HM Coastguard spokeswoman said: “Three lifeboats, a Coastguard Rescue Team and the Ambulance Service were all called to assist.
“There were some injuries and the 12 people who were on board were taken to shore and handed into the care of the ambulance service. Marine Accident Investigation Branch have been informed.”