US to impose tariffs on EU steel, aluminum: sourcesMay 30, 2018 by quixnet US to impose tariffs on EU steel, aluminum: sourcesReutersTrump administration planning to impose tariffs on European steel, aluminumUSA TODAYEU has ‘gun held to head’ on steel tariffsBBC NewsUS Is Poised to Impose Steel and Aluminum Tariffs on European UnionNew York TimesFull coverage