After a four-year closure, the British embassy has reopened in Tehran. Philip Hammond became just the second UK Foreign Secretary to visit Iran since the 1979 Islamic revolution.<br /><br /> He labelled the occasion “the logical next step” in building “confidence and trust between two great nations.”<br /><br /> The embassy was forced to close in November 2011 when protesters ransacked two diplomatic compounds.<br /><br /> British officials were withdrawn and Iranian diplomats expelled from London.<br /><br /> But a nuclear deal struck earlier in 2015 between Tehran and six world powers prompted a renewal of relations between the Islamic Republic and Europe.
