Boy, 13, among four held over police attack shown on social media

Phone footage of assault on officer in Hackney street has been widely shared

Four people, including a 13-year-old boy, have been arrested in connection with the assault of two police officers in Hackney, east London.

A video of the assault has been widely circulated on social media, showing a male officer pinned down on the ground and being kicked, while his female colleague is pushed when she tries to intervene.