An alleged assault at the reservoir is being investigated by Guernsey Police.
Officers are trying to find out exactly what happened at the St Saviour’s Reservoir Dam car park between 12:30 and 12:45 on Saturday lunch time.
Express understands an incident occurred which included offences of “assault and abusive behaviour towards a female”.
The investigating officers have been looking at CCTV from the car park and surrounding areas and a white pick up truck was seen in the car park around the time of the alleged incident.
A spokesperson said the officers would like to speak to the driver.
“…anyone who may have witnessed this incident please contact PC 25 Graves on 222 222 or to contact Crimestoppers anonymously on 0800 555 111,” they said.