As the siege by forces loyal to longterm Libyan leader Muammar Gaddafi on Misurata tightens, tanks enter the city and push civilians closer to the port area.<br /><br />With evidence emerging of the use of cluster bombs by Gaddafi's forces, fears are growing for the city's population.<br /><br />Al Jazeera's Mike Hanna, reporting from Benghazi, gives us the latest on events in Libya.
