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Iraqi security forces celebrate as they a street in Tikrit, on April 1, 2015, a day after the prime minister declared victory in the weeks-long battle to retake the city from the Islamic State (IS) group. Iraqi forces battled the last jihadists in the northern city on April 1, 2015 to seal a victory the government described as a milestone in efforts to rid the country of the Islamic State group. AFP PHOTO / AHMAD AL-RUBAYE        (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
Iraqi security forces celebrate as they a street in Tikrit, on April 1, 2015, a day after the prime minister declared victory in the weeks-long battle to retake the city from the Islamic State (IS) group. Iraqi forces battled the last jihadists in the northern city on April 1, 2015 to seal a victory the government described as a milestone in efforts to rid the country of the Islamic State group. AFP PHOTO / AHMAD AL-RUBAYE        (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)

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    ISIS turned back in Tikrit

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ISIS turned back in Tikrit

Iraqi forces take control of city from ISIS. CNN's Barbara Starr reports.

ISIS turned back in Tikrit

Iraqi forces take control of city from ISIS. CNN's Barbara Starr reports.