�A teenager has been re-arrested by police investigating the murder of 17-year-old Kelvin Chibueze in Ilford Town Centre.

But the detective behind the probe says he needs to speak to youngsters who were inside a “sweat box” club moments before the teenager was stabbed in a car park off Thompson Close, Ilford, on Monday of last week.

More details have emerged of the moments before the fatal stabbing of Kelvin, also known by the alias Boss Don Gramz.

Det Ch Insp John Macdonald said: “Kelvin had various injuries. It is apparent that an altercation took place by the door to the club and it may be that he received some injuries there.

“But then him and his friends were chased into Ilford High Road and into the car park. In the course of that there were ongoing disturbances. People were armed with bottles, knives, and a chair from the club.”

Little is known about the venue, Artifex Nightclub, where up to 150 youngsters were “packed in” before violence erupted.

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The bar has no signs outside, and Redbridge Council confirmed it does not have a permanent licence to sell alcohol.

Kelvin who was from New Addington, Croydon but grew up in Dagenham, had recently been released from custody after being found not guilty of an allegation.

Mr Macdonald said gang-related violence was “one line of inquiry”, adding: “I don’t want people to think that this is resolved. We need members of the public to come forward.”

He also renewed his threat to publish CCTV footage of bystanders: “If you want to avoid that happening, then give us a ring. This is the beginning of what could be a slow investigation,” he added.

Kelvin died in hospital nine hours after he was stabbed.

Two 30-year-old men arrested on suspicion of murder have been bailed.

One has been bailed until September 1, the other has been bailed until September 23.

A 19-year-old man first arrested on Monday of last week on suspicion of murder has been re-arrested on the same charge.

n Anyone with information is asked to call the incident room on 020 8345 3985 or call Crimestoppers anonymously on 0800 555 111.