Rebel fighters in Libya say they are within 50 kilometers of the country's capital, Tripoli.<br /><br />Fighting continues between opposition forces and soldiers loyal to Muammar Gaddafi in the city of Az-Zawiyah, which is on the coastal road towards Tripoli.<br /><br />The opposition say they are trying to stop supply routes to Gaddafi's forces in the capital.<br /><br />Al Jazeera's Omar Alsaleh has the latest developments.
