by Q Radio News
Two men in their 50s are being treated in hospital for serious head injuries, following an attack outside a bar in Holywood.
It happened on Hibernia Street at around 11 last night.
Police say the injured men were attacked by a single assailant.
A 54 year old man was arrested shortly after at a nearby filling station.
The suspect remains in police custody and is being questioned by detectives.
Detective Sergeant Lauren Edwards said, "We know there was a large crowd in the area at the time and I would like to appeal to those people who were there and who may have witnessed what happened to please get in touch.
"Detectives can be contacted at Bangor CID by calling 101, quoting reference 1404 25/01/19.”

Man charged with rape over alleged sexual assault in Coleraine
Domestic abuse calls to police climb over Christmas and New Year
Social media warning ahead of inquest into death of Noah Donohoe
Former senior police officer Jon Burrows confirms UUP leadership bid
Man’s body found in Cookstown in search for missing 21-year-old