Yemen war needs a political solution: U.S. defense secretary

By Idrees AliRIYADH (Reuters) - A political solution through U.N.-brokered negotiations is needed to resolve the conflict in Yemen, U.S. Defence Secretary Jim Mattis said on Tuesday as he made his first trip in the role to Saudi Arabia.At the same time, officials have said the United States is considering deepening its role in the Yemen conflict by more directly aiding its Gulf allies, who are fighting Iranian-supported Houthi rebels.The United States backs the Saudi-led coalition which is tryin