(Refiles to correct typo in lead) Nov 25 (Reuters) - Fearful Iraqis spent sleepless nights guarding their homes and asking who would be next after gunmen burned mosques and houses in a Sunni enclave following the worst bomb attack since the U.S. invasion. Here is a list of some of the deadliest bomb attacks in Iraq since the overthrow of Saddam Hussein in 2003: Aug 19, 2003 - A truck bomb wrecks U.N. headquarters in Baghdad, killing 22 people, including U.N. envoy Sergio Vieira de Mello. Aug 29, 2003 - A car bomb kills at least 83 people, including top Shi'ite Muslim leader Ayatollah Mohammed Baqer al-Hakim, at the Imam Ali mosque in Najaf. Feb 1, 2004 - 117 people are killed when two suicide bombers blew themselves up in Arbil at the offices of the two main Kurdish factions in northern Iraq. Feb 10, 2004 - Suicide car bomb rips through a police station in Iskandariya, south of Baghdad, killing 53. Feb 11, 2004 - Suicide car bomb explodes at an Iraqi army recruitment centre in Baghdad, killing 47. March 2, 2004 - 171 people are killed in twin attacks in Baghdad and Kerbala. Dec 19, 2004 - A suicide car bomb blast in Najaf, 300 yards (metres) from the Imam Ali shrine, kills 52 and wounds 140. Feb 28, 2005 - A suicide car bomb attack in Hilla, south of Baghdad, kills 125 people and wounds 130. It was postwar Iraq's worst single blast. July 16, 2005 - A suicide bomber in a fuel truck near a Shi'ite mosque in the town of Mussayib, near Kerbala, kills 98. Sept 14, 2005 - A suicide bomber kills 114 people and wounds 156 in a Shi'ite district of Baghdad. Sept 29, 2005 - 98 people are killed in three coordinated car bomb attacks in the mixed Shi'ite and Sunni town of Balad. Nov 18, 2005 - At least 74 people are killed and 150 wounded when suicide bombers blew themselves up inside two Shi'ite mosques in Khanaqin. Jan 5, 2006 - Two suicide bombers kill over 120 people and wound more than 200 in the cities of Kerbala and Ramadi. Fifty-three were killed and 148 wounded in Kerbala and 70 killed and 65 wounded in Ramadi. July 1, 2006 - A car bomb attack at a crowded market in Sadr city, a Shi'ite district of eastern Baghdad, kills 62 and wounds 114. The Supporters of the Sunni People, a previously unknown Iraqi Sunni Muslim group claim responsibility. July 18, 2006 - Fifty-nine people are killed by a suicide bomb in Kufa, near Najaf in an attack claimed by al Qaeda. Aug 10, 2006 - Thirty-five people are killed and 90 injured by bomb blasts near the Imam Ali shrine in southern city of Najaf. The Jamaat Jund al-Sahaba (Soldiers of the Prophet's Companions) group claim responsibility. Nov 23, 2006 - Six car bombs in different parts of the Sadr City neighbourhood of Baghdad kill 202 people. A further 250 people are wounded.
