Street battles in Sirte - in pictures

Anti-Gaddafi fighters fire on pro-Gaddafi forces Photograph: Saad Shalash/Reuters

Exhausted NTC fighters outside District 2, the last stronghold of pro-Gaddafi forces Photograph: Peter Beaumont for The Observer

NTC fighters take part in a street battle in the city centre Photograph: Majid Saeedi/Getty

NTC fighter Photograph: Majid Saeedi/Getty

A street battle in the centre of the city Photograph: Majid Saeedi/Getty

NTC fighters Photograph: Majid Saeedi/Getty

A Libyan rebel fighter fires his weapon during the battle to liberate the city Photograph: Mohamed Messara/EPA

Libyan rebel fighters fire at pro-Gaddafi forces Photograph: Mohamed Messara/EPA

NTC fighters inside the Ouagadougou Convention Complex in Sirte Photograph: Peter Beaumont for The Observer

Wounded NTC fighters receive treatment Photograph: Peter Beaumont for the Observer