A member of the Iraqi security forces flashes the sign for victory in front of a defaced Islamist flag in Tikrit on April 1, 2015, a day after the Iraqi Prime Minister Haider al-Abadi declared victory in the weeks-long battle to retake the northern Iraqi city from the Islamic State (IS) group. Iraqi forces battled the last jihadists in Tikrit to seal a victory the government described as a milestone in efforts to rid the country of the jihadist group. AFP PHOTO / AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
