Britain has summoned Iran's ambassador to London to accuse Tehran of "breaching assurances" that a tanker intercepted off Gibraltar would not deliver oil to Syria in violation of EU sanctions.The British foreign ministry says Iran "repeatedly gave assurances to the government of Gibraltar" that the Adrian Darya I, formerly known as Grace I, would not deliver oil to any EU-sanctioned entity in Syria or elsewhere. Tehran's assurances persuaded Gibraltar to release the tanker about five weeks after it was seized on July 4 by local police aided by British forces. "It is now clear that Iran has breached these assurances ... (full story)