Jo Johnson Jo Johnson, British Prime Minister Boris Johnson's younger brother, resigns from his joint position as the minister of state for universities, science, research and innovation with the Department of Education and the Department for Business, Energy and Industrial Strategy. He says he has experienced "an unresolvable tension" in recent weeks in being "torn between family loyalty and the national interest". U.K. Prime Minister Boris Johnson's brother quits government over Brexit © NBC News Sources: NBC News