A Yemeni protester holds up a banner during a protest against the Shiite Houthi group in Sanaa, Yemen, on Jan. 24, 2015. Thousands of Yemenis rallied in Sanaa to protest against the Houthi group since the militia overran the capital in September. Yemeni President Abd-Rabbu Mansour Hadi on Thursday night submitted his resignation to the parliament amid standoff with the Shiite Houthi group. (Xinhua/Hani Ali)
