Iraqi government forces take part in a military operation on the western outskirts of the Iraqi city of Tikrit, 160 kms north of Baghdad, to retake control of the city from jihadists from the Islamic state (IS) group, on March 11, 2015. Iraqi forces entered a northern neighbourhood of Tikrit, marking a new stage in the operation launched 10 days ago to wrest the city back from jihadists, army officers said. AFP PHOTO / AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
