A young woman has reported seeing a lurker in an alley committing an indecent act outside her home in the Bogside.
Police at Strand Road are appealing for information after the man reportedly committed the indecent act on Wednesday morning.
Inspector Jonny Hunter said that at about 1am on Wednesday, May 13, a young woman was in her home at Drumcliff Avenue when she saw the man outside in an alleyway.
He is described as being about 5ft 4 inches tall and of a stocky build. He had tightly shaved hair and was wearing blue tracksuit bottoms and a grey top.
Information can be given to police on the 101 non-emergency number, or by calling Crimestoppers anonymously on 0800 555 111.