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Fifteen police officers were injured and their vehicles damaged during clashes at an illegal party in south-east London.
the police were called following residents ' complaints about noise and violence in the vicinity of Angell Town in Brixton on Wednesday evening.
Two police officers were taken to the hospital after the breaking of the "unlicensed music event", that led to four arrests.Fifteen police officers were injured,
Four people were arrested for assault and public order offences. They remain in the custody of the police.
"I'm going to pick up with The Met Commissioner immediately. "