Former Conservative attorney-general Michael Ellis KC has suggested that US tech giant Palantir could have grounds to sue London mayor Sadiq Khan. The news follows Khan blocking a £50m deal between the shady AI firm and the Metropolitan police. Back on 22 April, the Guardian reported that Palantir was negotiating the supply of AI tools to the Met police for use in criminal investigations. The talks sparked fears within both the public and the force itself over allowing the US company access to sensitive data. However, on 21 May, Mayor’s Office for Policing and Crime (MOPAC) exercised its power to block…