Police are investigating two suspected assaults at a social club in the Lower Newmills Road area of Coleraine.
The assaults, which happened on Saturday, August 9, are thought to have resulted in head injuries to a man and a woman.
The female was taken to hospital for treatment that night, but the male sought treatment the following day. The injuries to both are not thought to be life threatening.
Anyone with information on the matter is asked to call Coleraine detectives on the non-emergency number 101.