According to reports at least seven militants were killed near the southern Yemeni city of Lawdar on Thursday. Four of the members of the Ansar al-Sharia (Partisans of Islamic Law) group were Somalis, it added.
Six militants were also killed in clashes with the Yemeni army in the southern city of Zinjibar, a spokesman for Ansar al-Sharia told Reuters. An army official said two soldiers were killed and four others wounded in the clashes.
Yemen has launched an offensive against Islamist insurgents in the territory who have taken advantage of the chaos surrounding more than a year of mass protests and fighting that unseated former president Ali Abdullah Saleh.