Police are hunting a rapist who attacked a 17-year-old girl in a park.
The incident happened at Moses Gate Country Park in the Farnworth area of Bolton.
Police sealed off the area after the attack, which happened at about 1400 GMT on Tuesday.
The Rock Hall Information Centre was also closed.
The victim was being interviewed by detectives on Tuesday.
Officers were also stopping motorists to take names, addresses and car registration numbers as part of their inquiries.
Anyone with information is urged to contact Bolton police.