Matt Carr's Infernal Machine

Few people who pay any attention to British politics will be unaware of the small but vocal group of far-right demonstrators who have been gathering outside Westminster for the last month. Led by Tommy Robinson fanboy James Goddard and inspired by the ‘gilets jaunes’ movement in France, these protesters have heckled and abused MPs, journalists and activists including the Sky News journalist Faisal Islam, Owen Jones, anti-Brexit campaigner Femi Oluyole, Sky News presenter Kay Burley, and – most famously – the Tory MP and anti-Brexit campaigner Anna Soubry.

Until this week, these protests aroused little concern from...