NATO has been bombing pro-Gaddafi forces on an almost daily basis but they have been unable to stop the shelling of rebel-held centres in east and west Libya. Neither side appears to be making any headway.
Pro-democracy fighters say one of the latest operations was against weapons depots near Zintan.
Al Jazeera's Tony Birtley reports from Ajdabiya, where people are becoming increasingly frustrated at the lack of progress.
Source: Al Jazeera