 Complete the following phrase:  During the Libyan Civil War, the TFSL and many Toubou militiamen joined the ranks of the NTC, fighting against the Libyan Army in southern Libya. In February 2011, forces commanded by Issa Abdel Majid Mansur briefly controlled Murzuq and Qatrun, being later repelled by Libyan government troops. Abdel Majid was tasked by the NTC in late 2011 on the issue of securing the borders with Chad and Sudan. During the 