Three people are in custody on suspicion of murder following the death of 50-year-old Mark Dorrian, found unconscious in a flat in Newtownards with severe head injuries. Despite medical efforts, Dorrian succumbed to his injuries shortly after being taken to the hospital. Police have arrested two women, aged 58 and 33, and a 36-year-old man, and have appealed for witnesses to come forward with information. A post-mortem examination is scheduled, and the investigation is ongoing, according to PSNI Detective Chief Inspector Neil McGuinness.