Man arrested after police officer badly injured during football protests

Fans hold up banners as they protest against the Glazer family, owners of Manchester United, before their Premier League match against Liverpool at Old Trafford, Manchester (Barrington Coombs/PA)
Fans hold up banners as they protest against the Glazer family, owners of Manchester United, before their Premier League match against Liverpool at Old Trafford, Manchester (Barrington Coombs/PA)