Police were called on Sunday, 8 October at 6.25pm to a report of an assault in Kelsey Park Road, Beckenham, with emergency services attending the scene.
Enquiries established that eight males on four mopeds had sprayed a powered fire extinguisher at the occupants of two vehicles at the location. The suspects subsequently made off.
Five people – three men and two women – were treated at the scene for minor injuries but did not require hospital treatment.
No arrests have been made and enquiries are currently ongoing.