BAGHDAD: Here is a look at the deadliest attacks in Iraq since the withdrawal of U.S. troops on Dec. 18, 2011:

- March 18, 2013: A wave of bombings mainly targeting Shiite areas in Baghdad kills 65.

- March 14, 2013: Militants unleash a carefully planned assault on the Justice Ministry, killing 30.

- March 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 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.

- Sept. 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.

- July 3, 2012: Bombs pound six cities and towns, killing some 40 and raising suspicion that security forces may be assisting attacks on Shiites.

- June 28, 2012: Bombings and shootings take the lives of 22 people in attacks in Shiite neighborhoods and on security forces.

- June 16, 2012: Two car bombs kill at least 26 people in the capital on the final day of the Shiite pilgrimage.

- June 13, 2012: Car bombs target an annual Shiite pilgrimage, killing 72 people in 16 separate explosions.

- June 4, 2012: A suicide car bomb hits Iraq’s main religious affairs office for Shiites, shearing off the facade of the three-story building and killing at least 23 people.

- April 19, 2012: Bombs rip through 10 Iraqi cities, killing at least 30 and shattering a month of relative calm. Al-Qaeda later says the attacks aimed to punish the Shiite-led government and its allies.

- March 20, 2012: Insurgents bent on derailing an Arab League meeting in Baghdad kill 46 in attacks on Shiite pilgrims in the holy city of Karbala, firebombings in Kirkuk, and strikes on security and government officials around the country.

- March 5, 2012: Assailants waving Al-Qaeda’s battle flag gun down 25 policemen in a brazen, well-orchestrated attack in Haditha, challenging government control over the town in Iraq’s Sunni-dominated west.

- Feb. 23, 2012: Attackers kill at least 55 as car bombs go off near an elementary school in the town of Musayyib, a restaurant in a Shiite neighborhood in Baghdad, and various checkpoints and secure areas.

- Feb. 19, 2012: A suicide bomber detonates his car as a group of police recruits leave their academy in eastern Baghdad, killing 20.

- Jan. 28, 2012: A suicide car bomber strikes a Shiite funeral procession, killing 33 in southwestern Baghdad.

- Jan. 14, 2012: A bomb tears through a procession of Shiite pilgrims in southern Iraq, killing at least 53.

- Jan. 5, 2012: Coordinated bombings target Shiites, killing 78 in Baghdad and near the southern city of Nasiriyah.

- Dec. 22, 2011: Attackers hit markets, cafes and government buildings in mostly Shiite neighborhoods of Baghdad, killing 69.