Britain may need anti-subversion laws to counter threats from states determined to undermine democracy, a government watchdog has said. Jonathan Hall KC, the independent reviewer of state threat legislation, is due to report this week on using counter-terrorism laws against state interference. Mr Hall was asked by Home Secretary Yvette Cooper to review whether there were elements of counter-terrorism legislation which could be emulated to address state-based security threats last December. In particular, he was asked to look at what legal measures would be useful against "highly aggressive state bodies" such as Iran's Islamic Revolutionary Guard Corps (IRGC). In a...