Three men have been arrested by PSNI detectives in connection with the murder of Co Down woman, Lisa Dorrian.
Two of the men are aged 18 and one is aged 23.
Ms Dorrian, 25, was last seen at a party on a caravan site at Ballyhalbert on 28 February 2005.
Despite extensive land and sea searches the body of the Bangor shop assistant has never been found.
Her family has offered a £10,000 reward for information and has also set up a website appealing for help in recovering her body.
