BAGHDAD (AP) — Sunni lawmakers pulled out of talks on forming a new Iraqi government after militants attacked a Sunni mosque in a volatile province outside Baghdad during Friday prayers, killing at least 64 people.
It was not immediately clear if the attack was carried out by Shiite militiamen or the Islamic State extremist group, which has been advancing into the ethnically and communally mixed Diyala province and has been known to kill fellow Sunni Muslims who refuse to submit to its leadership.
But Sunni lawmakers pointed to powerful Shiite militias, and two major parliamentary blocs pulled out of talks on forming a new Cabinet, setting up a major challenge for prime minister-designate Haider al-Abadi, a Shiite who is struggling to form an inclusive government that can confront the militants.
The blocs affiliated with Parliament Speaker Salim al-Jabouri and Deputy Prime Minister Saleh Al-Mutlak demanded that outgoing Prime Minister Nouri al-Maliki and the main Shiite parliamentary bloc hand over the perpetrators within 48 hours and compensate the families of victims "if they want the political process and the new government to see the light of day."
The joint statement blamed the attack on "militias" in an apparent reference to Shiite armed groups allied with the government. Sunni lawmakers could not immediately be reached for further comment.
An army officer and a police officer said the attack on the Musab bin Omair Mosque in Imam Wais village, some 120 kilometers (75 miles) northeast of Baghdad, began with a suicide bombing near the entrance, after which gunmen poured in and opened fire on the worshippers.
Officials in Imam Wais said Iraqi security forces and Shiite militiamen raced to the scene of the attack to reinforce security but stumbled upon bombs planted by the militants, which allowed the attackers to flee. Four Shiite militiamen were killed and thirteen wounded by the blasts.
A total of at least 64 people were killed in the attack and more than 60 wounded. Al-Maliki has called for an investigation.
The officials said Islamic State fighters have been trying to convince two prominent Sunni tribes in the area — the Oal-Waisi and al-Jabour — to join them, but that they have thus far refused.
Virtually all suicide bombings in Iraq are believed to have been carried out by Sunni militants, but Shiite fighters used the tactic in Lebanon during that country's civil war. In the chaotic aftermath of a major attack it is often not immediately clear how it was carried out or who was responsible.
Two medical officials confirmed the casualty figures. All officials spoke on condition of anonymity because they were not authorized to brief the media.
Since early this year, Iraq has been facing an onslaught by the extremist Islamic State group and allied Sunni militants. The crisis has worsened since June, when the group seized Iraq's second largest city of Mosul, in the north.
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