Police and the family of missing person, 24 year old Sean Hegarty, are growing increasingly concerned for his welfare.
Sean was last seen in the Altcar Park/Bloomfield Park area of Derry at about 10p.m. last night after being dropped off in a taxi.
He was wearing a white t-shirt and blue tracksuit bottoms and was also carrying a guitar when he was last seen.
Anyone who may know something of Sean's whereabouts and Sean himself is asked to contact Strand Road police station on the non-emergency number 101.