Iraqi Prime Minister Haidar al-Abadi (C) visits Tikrit on April 1, 2015, a day after he declared victory in the weeks-long battle to retake the city from the Islamic State (IS) group. Iraqi forces battled the last jihadists 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)
