A 21-year-old woman has been sexually assaulted at Cannons Creek Park in Porirua.
Police said the victim noticed a group of men standing among trees beside an alleyway as she entered the park at about 5am on Sunday.
One of the men approached and sexually assaulted her, police said.
Detective Sergeant Dave Jones said the offender was described as a tall and solidly built Samoan in his 30s or 40s with an afro haircut.
"It's understood he also spoke to the victim in Samoan."