Iranian police control the scene in front of the British Embassy in Tehran prior to arrival of the British Foreign Secretary Philip Hammond to reopen the Embassy, Iran, Sunday, Aug. 23, 2015. Iran's state TV says British Foreign Secretary Philip Hammond has reopened the British Embassy in Tehran nearly four years after it closed following an attack by hardliners. Hammond's visit is the first by a British foreign secretary to Iran since 2003. (AP Photo/Ebrahim Noroozi)