Britain on Tuesday said it is ready to reopen its embassy in Iran as “the circumstances are right”, in a sign of increasing Western engagement with Tehran amid a jehadisupsurge in neighbouring Iraq. UK Foreign Secretary William Hague has told the British Parliament that the UK is ready to reopen its embassy in Tehran that was closed two and a half years ago.Full diplomatic relations between the UK and Iran were suspended after attacks on the British Embassy in the Iranian capital in 2011.The election of a new Iranian President and agreement on how to deal with Iran’s nuclear programme has resulted in increased contact between the two countries in 2014.