Libyan rebels have made significant advances over the past several days, launching a two-pronged offensive in the west to try and cut off supply routes between Tunisia and Tripoli.<br /><br />They say that they are now in control of Gharyan, home to a large government military base, as well as Surman and Ajaylat, both towns on the coastal highway.<br /><br />The key fight, however, continues in Az Zawiyah, a town 50km from the capital that is home to Gaddafi's last remaining oil supplies in western Libya.<br /><br />Rebels say they entered the city on Saturday night, but that they are continuing to meet fierece resistance.<br /><br />Al Jazeera's Zeina Khodr reports from Az Zawiyah, western Libya.
