Government Troops have Opened Fire on Protesters in Sanaa

A protestor with Yemen's flag painted on his face, center, shouts slogans his march during a demonstration demanding the resignation of Yemen's President Ali Abdullah Saleh in Sanaa, Yemen, Sept. 25, 2011. Yemeni medical officials say government troops have opened fire on protesters in the capital Sanaa, wounding at least 18 people. The shooting signals President Ali Abdullah Saleh's regime is stepping up its crackdown on the opposition following the leader's surprise return home that coincided with a dramatic surge in violence . UPI/Mohammad Abdullah