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A Libyan state television image of Seif al-Arab Kadhafi, the son of Libyan leader Moamer Kadhafi, who was killed in an overnight air raid in Tripoli. (AFP/Libyan TV)

Libyan leader Muammar Gaddafi's son Saif al-Islam Gaddafi looks up to the sky before praying at the funeral of his brother Saif Al-Arab Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Reuters/Louafi Larbi

Libyan leader Muammar Gaddafi's son Saif al-Islam Gaddafi (C) leaves after the funeral of his brother Saif Al-Arab Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Reuters/Louafi Larbi

Rebel fighters attend a rally near the court house in Benghazi May 2, 2011. Libyan leader Muammar Gaddafi should face the same fate as al Qaeda's Osama bin Laden who was killed in a firefight with U.S. forces, a Libyan rebel spokesman said on Monday. Reuters/Mohammed Salem

Rebel fighters shake hands during a rally near the court house in Benghazi May 2, 2011. Libyan leader Muammar Gaddafi should face the same fate as al Qaeda's Osama bin Laden who was killed in a firefight with U.S. forces, a Libyan rebel spokesman said on Monday. Reuters/Mohammed Salem

A rebel fighter attends a rally near the court house in Benghazi May 2, 2011. Libyan leader Muammar Gaddafi should face the same fate as al Qaeda's Osama bin Laden who was killed in a firefight with U.S. forces, a Libyan rebel spokesman said on Monday. Reuters/Mohammed Salem

Libyans attend the funeral of Saif Al-Arab Gaddafi, son of Libyan leader Muammar Gaddafi, who was killed after air strikes by coalition forces last Saturday. Source: Reuters / Louafi Larbi Date:05/02/2011

Libyans attend the funeral of Saif al-Arab, the son of Libyan leader Muammar Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El hani cemetery in Tripoli May 2, 2011. Source: Reuters / Louafi Larbi Date:05/02/2011

Libyan leader Muammar Gaddafi's son Saif al-Islam Gaddafi (C) and his half brother Mohamed Gaddafi (L) pray during the funeral of Saif Al-Arab Gaddafi, the youngest son of Muammar Gaddafi who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Source: Reuters / Louafi Larbi Date:05/02/2011

Libyan leader Muammar Gaddafi's son Saif al-Islam Gaddafi (C) leaves after the funeral of his brother Saif Al-Arab Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Source: Reuters / Louafi Larbi Date:05/02/2011

Libyans pray during the funeral of Saif Al-Arab Gaddafi, son of Libyan leader Muammar Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Source: Reuters / Louafi Larbi Date:05/02/2011

Libyans attend the funeral of Saif Al-Arab Gaddafi, the youngest son of Libyan leader Muammar Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Source: Reuters / Louafi Larbi Date:05/02/2011

A supporter of Libyan leader Muammar Gaddafi holds up a poster of Gaddafi during the funeral of his youngest son Saif Al-Arab Gaddafi, who was killed after air strikes by coalition forces last Saturday, at the El Hani cemetery in Tripoli May 2, 2011. Crowds chanting Muammar Gaddafi's name gathered in Tripoli on Monday for the funeral of his son and three grandchildren, killed in a NATO airstrike that has raised new questions about the role of Western powers in the uprising against the Libyan leader. Source: Reuters / Louafi Larbi Date:05/02/2011

Mohammed and Saif al-Islam Kadhafi (pic: Getty)

Embrace: Saif al-Islam, right, hugs his brother Mohammed during the funeral in Tripoli

Support: Thousands of Libyans attended the funeral of Gaddafi's youngest son Saif Al-Arab, who was apparently killed in a NATO airstrike on Saturday

Backlash: Supporters chant and carry pictures of Gaddafi at the funeral, which the Libyan leader did not attend

Saif Al-Arab murdered: The 29-year-old was killed alongside three of Colonel Gaddafi's grandchildren in a building in Tripoli

Strike at Gaddafi family: Libyan state TV showed images of bodies covered with sheets at a hospital in the Libyan capital

Blast: An unexploded missile inside the Tripoli building where Saif Gaddafi was staying when the strike took place

Desperate: African migrants crowd to receive medicine from the Libyan Red Crescent in Misrata

Conflict: A Libyan rebel aims a missile launcher at the Wazin border crossing

Colonel Gaddafi's son, Saif al Arab Gaddafi, has been killed in a Nato-led airstrike.

Damage at the home of Gaddafi's youngest son Saif al-Arab, who is said to have been killed by a Nato air strike. Photograph: Louafi Larbi/Reuters

The Arab Revolution of 2011