At Least 40 Killed as Rebels, Army Clash in Yemen Thu Aug 5, 2004 05:03 AM ET SANAA (Reuters) - At least 40 people were killed and scores more wounded in fierce overnight fighting between Yemeni forces and supporters of an anti-U.S. rebel cleric, security sources said on Thursday. They said clashes between the army and followers of Hussein al-Houthi erupted again on Wednesday after a weeks-long lull, when efforts to mediate an end to the fighting failed. The clashes, in the northern mountainous province of Saada, began after the government launched an offensive against Houthi and his supporters on...