A man allegedly urinated on a woman standing below the footbridge at Antrim train station yesterday.
The reported incident happened just before 5pm.
Police are appealing for witnesses to the incident at the bus and rail centre.
The suspect is described as being around 5ft 10″ to 6ft in height and of slim build. He is believed to have been wearing a dark baseball cap, a three quarter length dark long sleeved coat with a red top underneath, dark trousers and dark trainers with a white sole.
He has a scruffy grey stubble and is aged in his mid 40s.
If you have any information that may assist police in identifying this man, please contact 101 quoting reference 2446 10/06/2019.