A Cardiff city centre street was cordoned off after a man was stabbed in the early hours of the morning.
Police said they are investigating an alleged assault in the vicinity of Wood Street and St Mary Street at 2am on Friday.
A spokesman said a 33-year-old man from Birmingham was taken to the University Hospital of Wales in Cardiff with a minor stab wound and was later released.
A 17-year-old boy from the Grangetown area of Cardiff has been arrested on suspicion of wounding with intent.
He is being questioned at Cardiff Bay police station.
Part of Wood Street, near the Principality Stadium, was taped off and a police van was at the scene for several hours on Friday morning.
There is a significant amount of construction work in the area, with work being done on both the Central Square buildings and the demolition of St David's House on the other side of the road.
South Wales Police said local roads were closed while investigation work was carried out and have now reopened.
Anyone who may have witnessed the incident or who may have any information which will help in their investigation is asked to call South Wales Police on 101 or anonymously via Crimestoppers on 0800 555111 quoting reference 1900065685.
Appeal for witnesses
South Wales Police said that local roads were closed while investigations were completed and are now reopened.
Anyone who may have witnessed the incident or who may have any information which will help in their investigation is asked to contact South Wales Police on 101 or anonymously via Crimestoppers on 0800 555111 quoting reference 1900065685.
Teen being questioned
A spokesman for South Wales Police said that officers were called at 2.am this morning
He said that a 33-year-old man from Birmingham was taken to the University Hospital of Wales with a minor stab wound was subsequently released.
“A 17-year-old boy from the Grangetown area of Cardiff has been arrested on suspicion of wounding with intent,” he said.
He is being detained at Cardiff Bay police station.
Police investigating stabbing
Police have now confirmed that they are investigating an assault in the vicinity of Wood Street and St Mary Street.
A man was taken to hospital with what officers described as “a minor stab wound”.
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Tape has been taken down
The tape and police van have just been taken down, but the inbound side of the road is still closed.
Road remains closed
The road remains closed and we are waiting for some more detail from police about the “incident”.
Demolition work about to begin in area
There are changes in the area already because of the demolition work that is due to be carried out on St David’s House.
Road closed for two hours
Wood Street was completely closed between 4.30am and 6.30am. The inbound side is now open.
There are already some closures in the area because of work to demolish St David’s House.
