4 youngsters had been in custody on Sunday whereas police had been granted particular dispersal powers after a suspected stabbing assault in Cardiff metropolis centre during which six individuals had been injured.

Three individuals who suffered stab wounds remained on the College hospital of Wales, whereas one other who suffered critical head accidents was at Llandough hospital in Penarth. Two individuals who suffered different accidents had been discharged.

South Wales police mentioned 4 youths, aged 16 and 17, remained in custody after being arrested on suspicion of violent dysfunction following a “giant disturbance” in Queen Road at about 9.50pm on Saturday.

On Sunday, the drive mentioned officers had been given part 35 dispersal order powers to direct individuals or teams to depart the town centre for 24 hours “if their behaviour has, or is prone to contribute to dysfunction or trigger harassment, alarm or misery to members of the general public”.

Det Supt Esyr Jones mentioned: “We would like our native communities to be reassured that we’re doing all we are able to to establish all these concerned in Saturday’s wholly unacceptable violence and that the town centre stays a secure place to go to.

“These powers will allow officers to cease anybody they think is behaving in an delinquent method, or who’s visiting the realm to trigger any hassle, and direct them to depart.

“Patrols have been stepped up within the space and a devoted group continues to research Saturday’s incident.”

Earlier on Sunday, Jones mentioned: “This was a violent and fully unacceptable incident, which has understandably brought on alarm inside the local people.

“A group of 20 detectives are at present investigating the incident, trawling by means of huge quantities of CCTV and chatting with a lot of witnesses, and I need to reassure the general public that we are going to be relentless in figuring out and arresting all these concerned.

“This seems to have been an remoted incident involving native youths, all of whom can anticipate finding officers knocking at their doorways as inquiries progress.

“We work intently with a variety of companions to make sure that incidents of this nature are uncommon and the general public must be assured that Cardiff stays a secure place during which to dwell, work and go to.”

Jones urged “any mother or father who suspects their baby was concerned in any method to come ahead”.

He added: “Tackling knife crime is the accountability of us all and any mother and father who’ve suspicions about their youngsters being concerned usually are not defending them by remaining quiet.”

A stun gun was additionally used to detain one man who police mentioned had obstructed officers responding to the incident. He isn’t believed to have been concerned within the dysfunction.