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‘They’ve killed my best friend’: Anguished screams after drill rap fan, 15, is stabbed to death when a 16th birthday party mobbed by hundreds of teenagers ‘got out of control’

A 15-year-old drill rap fan was stabbed to death when a mass brawl broke out as around 200 teenagers were leaving a 16th birthday party at a community centre.

The schoolboy, named locally as Jordan Douherty, was knifed after a large group of youths were turned away from the party because the venue was at full capacity.

Shocked friends of the victim were heard screaming and crying, ‘They’ve killed my best friend’, after the boy collapsed around 9pm on Saturday.

A 15-year-old boy was fatally stabbed in Colliers Row, Romford, east London (pictured) last night

Pictures from the scene at a community centre where a birthday partying was taking place show police and teenagers running around in panic

A cordon remained in place yesterday as investigators continued their search for evidence

Police and paramedics arrived to find up to 200 teenagers running and screaming in panic as the 15-year-old lay in the street in Romford, East London.

Jordan is believed to have featured in a number of YouTube videos of drill rap music, a hip-hop subgenre that is said to be driving the feuding gang war in London.

He performs with the group C17 under the name Young Valenti – while his older brother Roland performs as Valenti, reported The Sun.

One resident who gave her name only as Ellie said: ‘There were two or three boys screaming, ‘He’s not moving, he’s dead.’

‘There was a big group on the corner with just the boy on the floor. There were paramedics doing shocks and CPR on him for quite a while.

After he was just lying there with a white sheet over him, it was covered in blood.’