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Insurgents attack police station northeast of Baghdad

Iraqi men flashed victory signs as they left the main recruiting center to join the Iraqi army in Baghdad on Tuesday.

Khalid Mohammed/AP

Iraqi men flashed victory signs as they left the main recruiting center to join the Iraqi army in Baghdad on Tuesday.

BAGHDAD — Police said Tuesday that pro-government Shiite militiamen killed nearly four dozen Sunni detainees after insurgents tried to storm a jail and free them northeast of Baghdad. The Iraqi military, however, insisted the inmates were killed when the attackers shelled the facility.

Neither account could be independently confirmed, but the allegation of Shiite killings of Sunnis was the first hint of a possible return to past sectarian warfare that nearly tore the country apart. Sunni militants also have been accused of atrocities in areas they have captured over the past week.

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The insurgents were repelled, but the fighting around the jail outside Baqouba was the closest to Baghdad since the Al Qaeda breakaway group the Islamic State of Iraq and the Levant began its lightning advance, seizing several key cities in the Sunni heartland in northern Iraq.

There were conflicting details about the fighting in the al-Kattoun district near Baqouba, the capital of Diyala province and one of the bloodiest battlefields of the U.S.-led war, and on how the detainees were killed. The city is 60 kilometers (40 miles) northeast of the Iraqi capital.

Three police officers said the police station, which has a small jail, came under attack on Monday night by Islamic militants who tried to free the detainees, mostly suspected Sunni militants.

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The three said Shiite militiamen, who rushed to defend the facility, killed the detainees at close range. A morgue official in Baqouba said many of the slain detainees had bullet wounds to the head and chest. All four officials spoke on condition of anonymity fearing for their own safety.

However, Iraq’s chief military spokesman Lt. Gen. Qassim al-Moussawi, told The Associated Press that 52 detainees who were held at the station in al-Kattoun died when the attackers from the Islamic State shelled it with mortars.

The group is known to be active in Diyala, a volatile province with a mix of Sunnis, Shiites and Kurds and where Shiite militiamen are deployed alongside government forces. Sunni militants have for years targeted security forces and Shiite civilians in the province, which abuts the Iranian border.

Nine of the attackers were killed, al-Moussawi said.

The conflicting reports could not immediately be reconciled, but if the version of events provided by the policemen and the coroner is independently verified, then the incident would be an example of the sectarian strife and atrocities Iraq’s ongoing crisis could yield.

Iraq has been in danger of sliding back to the wholesale Shiite-Sunni bloodletting of 2006 and 2007 since Sunni militants seized at least one city and significant parts of the countryside in Anbar province west of Baghdad early this year.

Continuous bombings blamed on Sunni militants in Baghdad and elsewhere, and targeted assassinations of members of both communities have deepened fears of an outright sectarian war.

During the United States’ eight-year presence in Iraq, American forces acted like a buffer between the two Islamic sects, though with limited success. The U.S. military withdrew at the end of 2011, but it is being pulled back due to the latest crisis.

Nearly 300 armed American forces are being positioned in and around Iraq to help secure U.S. assets as President Barack Obama nears a decision on an array of options for combating the Islamic militants, including airstrikes or a contingent of special forces.

The White House has continued to emphasize that any military engagement remained contingent on the government in Baghdad making political reforms.

The U.S. and Iran, Iraq’s Shiite neighbor and close ally, also held an initial discussion on how the longtime foes might cooperate to ease the threat from the Al Qaeda-linked militants that have swept through Iraq. Still, the White House ruled out the possibility that Washington and Tehran might coordinate military operations in Iraq.

The Islamic State has vowed to march to Baghdad, and the Shiite holy cities of Karbala and Najaf in the worst threat to Iraq’s stability since U.S. troops left. The three cities are home to some of the most revered Shiite shrines. The Islamic State has also tried to capture the city of Samarra north of Baghdad, home to another major Shiite shrine.

The push by the Islamic State’s militants has largely been unchecked as Iraqi troops and police melted away and surrendered in the militants’ onslaught on the city of Mosul and Trikrit, Saddam Hussein’s hometown.

On Monday, they captured the strategically located city of Tal Afar near the Syrian border, a move that strengthens its plans to carve out a state-like enclave on both sides of the border.

Iraqi military officials said some 400 elite troops and volunteers who have joined security forces were flown to an airport outside Tal Afar on Monday, but were immediately pinned down by heavy artillery shelling from the militants.

In Baghdad on Tuesday, a sticky bomb attached to a car in central Baghdad went off, killing three passengers and wounding 11 bystanders, according to police and hospital officials, speaking on condition of anonymity because they are not authorized to speak to the media.

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