Police investigating the murder of Eddie Meenan in Londonderry have been given an additional 36 hours to question a 19-year-old man.
The body of Mr Meenan was discovered off Creggan Street in the early hours of Sunday. The PSNI said he had sustained significant head and body injuries.
Police have been given additional time to question the man on suspicion of murder.
A 35-year-old woman and two men aged 31 and 26 who were arrested on suspicion of murder, remain in custody.