Police were called to Cecilia Road, Lambeth on the evening of Wednesday, 24 June to multiple reports of a large unlicensed music event in the street.

Officers attended to encourage the crowd to leave the location but they did not engage with police.

The event continued and more officers attended the scene and the group became hostile towards officers.

A Dispersal Zone was authorised under S35 of the Anti-Social Behaviour Crime and Policing Act 2014 to encourage crowds to leave.

In total, 15 officers were injured, none seriously although two did require hospital treatment.

A small number of police vehicles were damaged.

Four arrests were made for assault and public order offences. They remain in police custody.

The event was cleared in the early hours of Thursday, 25 June.

A section 60 was later implemented in the vicinity of the event to prevent violence.