Seriously wounded crowd Yemen hospital REFILE TO CORRECT DATE AND HEADLINE - IMAGES WERE SHOT BEFORE THE TRUCE AGREEMENTSaudi-led warplanes bombed Yemeni rebels who clashed with pro-government fighters in the south despite a UN-declared truce aimed at delivering desperately needed aid, military sources said. The coalition air raids targeted positions of the Iran-backed Shiite rebels and their allies, forces loyal to former president Ali Abdullah Saleh, in Aden and Lahj provinces. IMAGES AND SOUNDBITES from Aden