Thorpe says Clegg has "broken his promises". She's unhappy with coalition policies on benefit changes and affordable housing.

The ringleader with the megaphone is Richard Donnelly. He tells BuzzFeed News that Clegg has "propped up a Tory government which has been stealing money from the pockets of ordinary people for five years.

"He has the audacity to come to a university town and claim he's a serious alternative to the Tories. He expected there to be no local resistance. Well, there is."