Libya: Rebels fight street battles in Zawiya

Intense fighting has been taking place in Libya, as rebels heading for Tripoli fight forces loyal to Colonel Gaddafi.

To the east of the capital, rebels are claiming a significant victory, saying they have now taken control of Zlitan.

In the west, the rebels have been fighting street battles in the centre of Zawiya, from where the BBC's Rupert Wingfield Hayes reports.