Diane Abbott has been tweeting out this graphic trumpeting her Corbynite credentials as she vies to be Labour’s London mayoral candidate. But has she revealed more than she intended? Peeking over her right shoulder is the £14,886-a-year private school to which she sent her son…

Diane, who in the past criticised Tony Blair and Harriet Harman for sending their kids to selective schools, opted to send her son to the exclusive City of London school in the shadow of St Paul’s instead of one of the comprehensives in her Hackney constituency. Please, Diane, tell us more about your love of public services…