Battle for Tripoli continues - in pictures

An rebel vehicle speeds on the outskirts of Tripoli, as smoke rises Photograph: Sergey Ponomarev/AP

A rebel in a makeshift checkpoint during the night after the rebels entered Tripoli Photograph: Marco Salustro/EPA

A man wounded by a sniper Photograph: Marco Salustro/EPA

Supporters of Libya's rebels shout slogans in opposition to Muammar Gaddafi in Tripoli Photograph: Filippo Monteforte/AFP/Getty Images

A rebel prays in Green Square in Tripoli, Libya, during the night after the rebels entered the city Photograph: Marco Salustro/EPA

Muammar Gaddafi's son, Saif al-Islam, top left, gestures to troops loyal to his father in Tripoli Photograph: Imed Lamloum/AP

Gaddafi loyalists in Tripoli Photograph: Dario Lopez-Mills/AP

A rebel fighter in Tripoli in the early morning Photograph: Sergey Ponomarev/AP

Rebel fighters drive through Tripoli Photograph: Filippo Monteforte/AFP/Getty Images

A rebel fighter holds the identification card of a pro-Gaddafi soldier after he was captured in Tripoli Photograph: Sergey Ponomarev/AP

The Arabic writing on the wall reads: Libya is free … Long live Libya Photograph: Mahmud Turkia/AFP/Getty Images

Rebel fighters advance to the frontline during fighting in Tripoli Photograph: Sergey Ponomarev/AP

Rebel fighters speak to a suspected pro-Gaddafi soldier after he was captured in Tripoli Photograph: Sergey Ponomarev/AP

Rebel fighters observe the fighting near the main Gaddafi compound in the Bab al-Aziziya district in Tripoli, where some of the heaviest fighting took place. The compound, which has been heavily damaged by Nato airstrikes, has emerged as one of the centres of government resistance since tanks rolled out and began firing at rebels trying to get in Photograph: Sergey Ponomarev/AP

Rebel fighters observe the fighting near the main compound in Bab al-Aziziya Photograph: Sergey Ponomarev/AP

An explosion near the main compound Photograph: Sergey Ponomarev/AP

Rebel fighters gesture in the Gorgi district of Tripoli Photograph: Sergey Ponomarev/AP

Smoke rises above downtown Tripoli following fighting at the Bab al-Aziziya compound Photograph: Louafi Larbi/Reuters