Deadliest Attacks in Iraq Since US Troop Pullout Here is a look at the deadliest attacks in Iraq since the withdrawal of U.S. troops on Dec. 18, 2011: May 20, 2013: A wave of attacks, some at markets and rush hour crowds, hour killed at least 86 people in Shiite and Sunni areas. May 18, 2013: Shootings and bombings kill at least 16 people including an anti-terrorism police captain and his family. May 17, 2013: Bombs rip through Sunni areas in Baghdad and surrounding areas, killing at least 76 people. May 16, 2013: Car bombs hit Shiite neighborhoods in Baghdad and attacks elsewhere in the country leave 21 people dead. May 15, 2013: A car bomb goes off near a bus station in Baghdad's main Shiite district, the deadliest of explosions that killed at least 33 people nationwide. May 14, 2013: A convoy of gunmen open fire on a row of liquor stores in eastern Baghdad, killing 11 people and wounding five others. April 29, 2013: A wave of car bomb blasts tear through Shiite areas south of Baghdad, killing at least 36. April 25, 2013: More than 40 people were reported killed in fighting in the key northern city of Mosul. April 24, 2013: Clashes between the army and armed Sunni tribesmen who sealed off a central Iraqi town kill 22 people. April 23, 2013: Security forces storm a Sunni protest camp in the north, sparking deadly clashes in several towns, which combined with other attacks left 56 people dead. April 18, 2013: A suicide bomber detonated explosives at a Baghdad cafe crowded with young people, killing 32 April 15, 2013: At least 36 are killed in string of attacks across the country ahead of elections. April 6, 2013: A suicide bomber blows himself up at a lunch hosted by a Sunni candidate ahead of regional elections, killing 20 people. Mar. 19, 2013: Insurgents carry out a wave of bombings that kills at least 65 people on the eve of the 10th anniversary of the U.S.-led invasion. An al-Qaida in Iraq front group claimed responsibility. Mar. 14, 2013: Militants unleash a carefully planned assault on the Justice Ministry, killing 30. Mar. 4, 2013: Gunmen attack a convoy of Syrian soldiers who had crossed into Iraq for refuge, killing 48. Feb. 17, 2013: Car bombs tear through shopping areas in Shiite neighborhoods in Baghdad, killing at least 37. Jan. 23, 2013: A suicide bomber strikes a packed funeral ceremony at a Shiite mosque in northern Iraq, killing at least 25. Jan. 17, 2013: Insurgents unleash a string of bomb attacks mainly targeting Shiite Muslim pilgrims across Iraq, killing at least 26. Jan. 16, 2013: A wave of bombings against the offices of a major Kurdish party and Kurdish security forces headquarters in Kirkuk province kills at least 33. Nov. 27, 2012: Insurgents launch attacks against Shiite mosques, security forces, and other targets in central and northern Iraq, killing at least 30. Nov. 6, 2012: A suicide bomber detonates his explosives-laden car near a military base north of Baghdad, killing at least 33. 9, 2012: Insurgents gun down soldiers at an army post, bomb police recruits waiting in line to apply for jobs, and stage other attacks that kill 92. Aug. 16, 2012: A blistering string of bombings and shootings across the country kills at least 93. July 23, 2012: Attacks aimed largely at security forces kill 115 in the country's deadliest single day in two years.