Deadliest attacks in Iraq since US troop pullout

Middle Eastern News Photos

Mourners pray over the two bodies killed in a car bomb attack before their burial in the holy Shiite city of Najaf, 160 kilometers (100 miles) south of Baghdad, Iraq, Monday, May 20, 2013. A wave of car bombings across Baghdad's Shiite neighborhoods and in the southern city of Basra killed and wounded dozens of people, police said. (AP Photo/ Alaa al-Marjani)

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Deadliest attack... Mourners pray over the two bodies killed in a car bomb attack before their burial in the holy Shiite city of Najaf, 160 kilometers (100 miles) south of Baghdad, Iraq, Monday, May 20, 2013. A wave of car bombings across Baghdad's Shiite neighborhoods and in the southern city of Basra killed and wounded dozens of people, police said. (AP Photo/ Alaa al-Marjani)
Top figures barr... In this picture taken on Saturday, May 11, 2013, former Iranian President Akbar Hashemi Rafsanjani waves to media as he registers his candidacy for the upcoming presidential election, while his daughter Fatemeh, right, looks on, at the election headquarters of the interior ministry in Tehran, Iran. A hardline news website says Iran's election overseers have rejected a pair of powerful and divisive figures from running in next month's presidential election. Tasnimnews.com say Akbar Hashemi Rafsanjani, a former president who still wields enormous influence, and Esfandiar Rahim Mashaei, a close confident of President Mahmoud Ahmadinejad, have been barred by the Guardian Council. (AP Photo/Ebrahim Noroozi)
Israel warns Syr... An Israeli soldier works on top of a tank in a position in the Israeli controlled Golan Heights, on the border with Syria, Tuesday, May 21, 2013. Israel's military chief has issued a stern warning to Syrian leader Bashar Assad after an Israeli military jeep came under fire from Syrian forces early Tuesday. Lt. Gen. Benny Gantz said on Tuesday that Israel will not allow the Golan Heights "to become a comfortable sphere for Assad to operate from." He said that if the situation deteriorates further, Assad "will have to bear the consequences." (AP Photo/Ariel Schalit)
Iran candidate l... In this photo taken on Saturday, May 11, 2013, conservative former Iranian Foreign Minister, Ali Akbar Velayati, a senior advisor to supreme leader Ayatollah Ali Khamenei, shows his inked finger to media as he registers his candidacy for the upcoming presidential election, at the election headquarters of the interior ministry in Tehran, Iran. He was selected Tuesday, May 21, 2013 as one of eight candidates allowed to push ahead with his presidential bid. Velayati, 67, served as foreign minister during the 1980-88 war with Iraq and into the 1990s. He is a physician and runs a hospital in north Tehran. He was among the suspects named by Argentina in a 1994 bombing of a Jewish center in Buenos Aires that killed 85 people. (AP Photo/Ebrahim Noroozi)
Egyptian troops ... An Egyptian Army vehicle with a tank heads to the closed Rafah border crossing between Egypt and the Gaza strip, in Sheikh Zuweyid, northern Sinai, Egypt, Monday, May 20, 2013. Security officials said 17 military and more than 20 police armored vehicles were deployed in northern Sinai Monday as a response to the kidnapping by suspected militants of six policemen and a border guard there last Thursday. It was not clear if they deployed to rescue the hostages, to make a show of force to intimidate their captors, or for another reason. (AP Photo/Roger Anis, El Shorouk Newspaper) EGYPT OUT
Syria opposition... This citizen journalism image provided by Qusair Lens, which has been authenticated based on its contents and other AP reporting, shows a Syrian man checking his destroyed house that was damaged by a Syrian forces air strike in the town of Qusair, near the Lebanon border, Homs province, Syria, Tuesday, May 21, 2013. Several members of Lebanon's militant Hezbollah group died of wounds sustained while fighting for control of a strategic Syrian town near the Lebanese border, activists said Tuesday, as the battle in the area raged for its third straight day. (AP Photo/Qusair Lens)
Syria's Assad sa... FILE - This Wednesday, Aug. 19, 2009 file photo shows Syrian President Bashar Assad, seen, during a meeting with his Iranian counterpart Mahmoud Ahmadinejad, unseen, at the presidency in Tehran, Iran. Syrian President Bashar Assad says he won't step down before elections are held in his war-ravaged country. The Syrian leader's comments, published Saturday in the Argentine newspaper Clarin, highlight the difficulties the U.S. and Russia face in getting the Assad regime and Syria's political opposition to the table at an international conference envisioned for next month. (AP Photo/Vahid Salemi, File)
Egypt: Security ... FILE - In this Thursday, Aug. 9, 2012 file photo, army trucks carry Egyptian tanks in a military convoy in El Arish, Egypt's northern Sinai Peninsula. On Monday, May 20, 2013 Egyptian officials said dozens of military and police armored vehicles have crossed into Sinai, beefing up the security presence in the volatile peninsula five days after suspected militants kidnapped six policemen and a border guard there. (AP Photo, File)