Detectives are appealing to the public for help to identify a group of people who engaged in violent disorder in Elm Park. On the evening of Saturday ... This incident is being investigated by the ...

the Metropolitan Police has said. Officers were called to a party at Elm Park Primary School in Hornchurch, east London at about 21:00 GMT on Saturday after a fight reportedly broke out.

Police rushed to Elm Park Primary School's ... They were taken to an East London police station. They were bailed to return for questioning later today. The officers were treated at the scene ...

There have been no charges yet. It is believed they travelled between Elm Park and Dagenham ad Barking using both trains and buses. British Transport Police are also involved in the investigation.