Houthi rebel fighters display their weapons during a gathering aimed at mobilizing more fighters for the Iranian-backed Houthi movement, in Sanaa, Yemen, Thursday, Feb. 20, 2020. The Houthi rebels control the capital, Sanaa, and much of the country’s north, where most of the population lives. They are at war with a U.S.-backed, Saudi-led coalition fighting on behalf of the internationally recognized government.