Dozens of youths were pictured arriving for an arranged fight in a quiet residential area in Middlesbrough.
Up to 100 youngsters were seen gathering on Saltersgill playing fields in the Easterside on Friday evening.
But they all ran off when officers arrived after nervous residents called police .
In a message on the Coulby Newham and Berwick Hills Neighbourhood Policing Team Facebook page , PC Chris Swales said: “As police attended the group made off through the estate and into Easterside.
“At its peak there were around 70 to 100 youths which was causing