A man in his 50s has been left in a critical condition following a serious assault in Coleraine in the early hours of Monday.
The victim was assaulted outside a property on the Ballycastle Road at about 1am.
He was taken to hospital suffering from serious head injuries.
Detectives have arrested two men, aged 30 and 31, and they remain in custody.
Police are continuing to appeal for anyone who witnessed any kind of altercation in the area, or who has any information, to contact them on the 101 number or via Crimestoppers on 0800 555111.