A man is in a serious condition in hospital after being stabbed behind the Waterfront Hall in Belfast at around 11am this morning.
Detectives are working to establish a motive for the attack.
It happened on a footbridge at the rear of the Waterfront Hall in Lanyon Place.
Detective Sergeant Kyle Corrigan said the incident has left the man in hospital in a serious condition.
“Enquiries are underway and we are working to establish a motive and apprehend those responsible.
“I’m appealing to anyone who may have been in the area of the blue metal footbridge at the rear of the Waterfront Hall this morning. Did you see anything suspicious? Did you see the incident, or any one running away from the scene?
“I would encourage anyone with information to report it to police on 101 quoting reference 499 of 21/02/20.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111 which is 100% anonymous and gives people the power to speak up and stop crime,” he added.