A man in his late teens has suffered facial injuries following an attack at a licenced premises in the early hours of Sunday morning.
Police were called to the incident in The Promenade area of Portstewart on Sunday, April 2, and are appealing for anyone with mobile phone footage to come forward.
Officers have also asked anyone who may have witnessed the incident to contact them on 101.
Read more: PSNI name woman who died in hospital after crash involving lorry
Inspector Brogan said: "Enquiries to establish the circumstances are ongoing.
"We would appeal to anyone who was in the area at the time and witnessed the incident, or who may have mobile phone footage which could assist our investigation, to call 101 and quote reference number 66 of 02/04/23."
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