Detectives are investigating a report of a sexual assault in Banbridge.
In the early hours of Sunday morning an 18-year-old woman was reportedly attacked in the town centre at Rathfriland Road, police said.
Detectives are working to establish the circumstances and are appealing for help to identify a man described as 20 years of age, 5'8 in height with blond spiked hair.
He was wearing a white t-shirt with lettering across the front.
© Press Association