Police carried out mass arrests as several bridges were blocked in London today as part of a "Rebellion Day" demonstration against climate change.<br /><br />Footage shows police arresting demonstrators one-by-one on Lambeth Bridge in Westminster.<br /><br />According to the filmer, there were "around 50" arrests on this bridge alone.<br /><br />Hosted by protest group "Extinction Rebellion and Rising Up", Southwark, Blackfriars, Waterloo, Westminster and Lambeth Bridges were all blocked by demonstrators.