DETECTIVES from the PSNI’s Rape Crime Unit are investigating a serious sexual assault on a teenage girl.

A police spokesperson said the attack was reported in the Magazine Street area of Derry in the early hours of this morning.

A section of Magazine Street was sealed off this morning while police officers carried out a forensic examination of the area.

Anyone who was in the area at the time or has any information about the assault is asked to contact detectives at Strand Road on 101.