The PSNI said on Sunday morning that its officers are in attendance at the scene of a stabbing incident in west Belfast.
It occurred in Cullingtree Road area, off the Grosvenor Road.
It is the fifth stabbing incident reported by police in the Province since Thursday.
The PSNI said a male has been taken to hospital with serious injuries.
Detective Inspector Nigel Snoddy said in a statement: “The investigation is at a very early stage and I would appeal to anyone who may have witnessed this incident, which is believed to have occurred in and around 6am this morning, to contact Detectives at Reactive and Organised Crime, Musgrave Police Station on the non-emergency number 101.
“Or, if someone would prefer to provide information without giving their details they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.”
It comes after two other stabbings in Belfast on Thursday, and one in Ballymena.
In addition, on Saturday, police said a man received a stab wound at around 2.15am in the Corrigan’s Court area of Armagh.
The victim, 24, had been assaulted by two men.
He was taken to hospital for treatment to his injuries which are not believed to be life-threatening.
A 27 year old man was arrested.