A Yemeni girl prays with female anti-government protestors during a demonstration demanding the resignation of Yemeni president, in Sanaa, Yemen, Wednesday, April 13, 2011. Yemeni security forces clashed with thousands of protesters who hurled rocks and burned tires in the southern port city of Aden, killing at least one person as demonstrations swelled in the capital. (Muhammed Muheisen) #Yemen #ArabRevolution