Three men who were arrested on suspicion of rape have been released on bail pending further enquiries.
Two teenagers, aged 18 and 19, and a 28-year-old man were arrested on Sunday by detectives investigating a serious sexual assault in a park in Co Down.
The PSNI said that at about 6.25am on Sunday a young woman reported that she had been assaulted by a number of males in the vicinity of Londonderry Park on the Portaferry Road in Newtownards a short time earlier.
The police have appealed for anybody who was in the vicinity of Londonderry Park or Portaferry Road early on Sunday to contact them in Newtownards on 101.
