Yemeni protesters shout slogans against Houthi Shiites who have seized power in the capital, Sanaa, as they celebrate the fourth anniversary of the uprising in Taiz, Yemen, Wednesday, Feb. 11, 2015. The United States, Britain and France moved to close their embassies in Yemen on Wednesday, increasing the isolation of Shiite rebels who have seized power. (AP Photo/Anees Mahyoub)