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A member from the Iraqi security forces looks at smoke in Tikrit  April 1, 2015. Iraqi troops and Shi'ite paramilitary fighters were battling Islamic State on Wednesday in northern Tikrit, which officials described as the Sunni Muslim militant group's last stronghold in the city.  REUTERS/Alaa Al-Marjani - RTR4VRVH Alaa Al-Marjani/Reuters
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