In a BBC interview Sunday, London Mayor Sadiq Khan said British Foreign Secretary Boris Johnson should resign following a series of gaffes Khan says offended Libyans, Americans, the Spanish, and others. In a recent case, a court in Iran used Johnson's words as evidence against a British woman serving a five-year jail sentence in the country after she was arrested in Tehran last year for unknown reasons. Khan went on to reference comments that Johnson made about former U.S.