Police have released a woman on police bail pending further enquiries.
The 24-year-old was arrested following an incident at Glentaisie Park in Portrush in which a woman, aged in her 20’s, sustained injuries to her head yesterday morning.
At the time a police spokesperson said "The investigation is at a very early stage, however, and officers would ask anyone with information about the incident to call them in Coleraine on the non-emergency number 101 quoting reference number 186 16/09/21, or to submit a report online using the non-emergency reporting form via http://www.psni.police.uk/makeareport/.
"You can also contact Crimestoppers anonymously on 0800 555 111 or online at http://crimestoppers-uk.org/."