Libya' conflict: NTC forces gain ground in Sirte

Interim government forces in Libya have made significant gains in the battle for the city of Sirte - hometown of the fugitive leader Col Muammar Gaddafi.

National Transitional Council (NTC) commanders said they had captured the main hospital, the university and the Ouagadougou conference centre.

But heavy street fighting continues around Sirte city centre.

Wyre Davis reports from Sirte.