PSNI say the serious assault took place at around 5am this morning
Police are appealing for information after three people were stabbed in Newry overnight.
It is understood the men were injured in an attack around 5am this morning assault in the Ardcarn Park area.
One man in his 40s sustained a stab wound to his head, while two men into their 20s received wounds to their body.
The men are receiving treatment in hospital, and their injuries are not believed to be life threatening.
Anyone who witnessed the incident is urged to contact police.