Video: Shocking moment bully pins schoolgirl, 12, to the ground as her pals laugh and shout 'f***ing have her' in a vicious attack that left the victim needing a CT scan

A mum has shared video that appears to show her 12-year-old being viciously attacked by a year seven pupil at Walton Academy in Grantham, Lincolnshire. Her daughter had her arm in a sling and had a CT scan following...