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A suicide car-bomb attack in the Sadr City area of Baghdad has killed at least 20 people, police and medical sources said on Saturday.
Sources said the car bomb was detonated at a funeral, near a tent filled with mourners. Between 40 and 60 people were wounded in the attack, medics said. Sadr City is a Shia Muslim stronghold.
Earlier in the day, in Baiji, a town north of Baghdad, four suicide bombers stormed police headquarters in a dawn attack, killing six SWAT officers after a one-hour shootout, security sources said.
The bombers shot dead guards outside a compound 112 miles from Baghdad. One of the attackers was killed in ensuing fighting inside the base and the other three blew themselves up when army reinforcements arrived.
It was not clear who was behind the attack, but security forces and police are prime targets for Sunni Islamist militants who have been regaining momentum in their insurgency against [You must be registered and logged in to see this link.]'s Shi'ite-led government.
Al Qaeda's Iraqi and Syrian branches merged earlier this year to form the Islamic State of Iraq and the Levant, which has claimed responsibility for attacks on both sides of the border. Intensifying violence has raised concerns of a return to wider conflict in a country where Shi'ite Muslims, Sunnis and ethnic Kurds have yet to find a stable way of sharing power.
About 800 Iraqis were killed in acts of violence in August, according to the United Nations.
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