The official , who asked not to be named because he was not authorized to speak to the media , said several militants were killed our wounded , but could n't give exact numbers . Battle against militants in southern Yemen rages . The United Nations says more than 10,000 people have been killed since the conflict began last year. There 's fear that al Qaeda is exploiting Yemen 's political chaos .
Battle against militants in southern Yemen rages . The United Nations says more than 10,000 people have been killed since the conflict began last year. There 's fear that al Qaeda is exploiting Yemen 's political chaos .