Another woman has allegedly been sexually assaulted in a park.

Police were called to Home Park, also known as Hampton Court Park, at 8pm last night to reports of a sexual assault.

Hampton Wick pond has been cordoned off while officers carry out investigations.

A 20-year-old man was arrested by police and is being held in police custody.

The alleged assault comes a week after police released an efit of a man who attacked a 21-year-old woman who was sunbathing in Bushy Park on Thursday, July 11.