One day after its forces seized 15 British naval personnel near disputed waters, Iran accused Britain Saturday of “blatant aggression,” further ratcheting up diplomatic tensions. Britain demanded “the immediate and safe return” of its personnel. In Tehran, the Iranian Foreign Ministry spokesman, Mohammad Ali Hosseini, said the Britons — eight sailors and seven Royal Marines — had violated “the sovereign boundaries of other states,” the state-run IRNA news agency said, adding that Iran was carrying out “further investigation of the blatant aggression.” Full Story