A 19-year-old man has been arrested by police investigating the murder of William ‘Pat’ McCormick in Ballygowan, Co Down.

The body of the 55-year-old Comber man was found in a lake on 9 July, six weeks after he went missing after leaving his parents’ home in Ballynahinch.

The 19-year-old arrested by detectives from the PSNI’s Major Investigation Team was held on suspicion of withholding information and perverting the course of justice.

He remains in police custody.