In May last year, three arson attacks targeted the prime minister, Keir Starmer. Two properties and a car were set alight. But who lit the fires and why? Daniel De Simone investigates and finds the shadowy figures behind the attacks were also behind fake far-right groups trying to stoke hatred and division in the UK. The fires fit a pattern in which hostile states such as Russia are increasingly using proxies here to do their dirty work. So could Russia be behind the Starmer fires?