US envoy pledges support for NTC

Libya's new leaders have been given the thumbs up by the US assistant secretary of state.

Jeffrey Feltman is the first official from the Barack Obama administration to visit post-Gaddafi Libya.

Meanwhile, revolutionary fighters continue their struggle against Muammar Gaddafi supporters to seize the last remaining strongholds.

Al Jazeera has been told that forces of the National Transitional Council have got to centre of the city but had to pull back.

Al Jazeera's Hashem Ahelbarra reports from the Libyan capital.