The main forces fighting the self-declared Islamic State in Tikrit, Iraq, are Iran-backed Iraqi Shiite militias. Despite decades-long animosity between the nations, local Sunnis are joining them.
Iraqi flags are flying over government buildings again, one month into a major offensive to reclaim the city from fighters with the self-proclaimed Islamic State.
The U.S.-led coalition in Iraq has been conducting surveillance flights over the city since March 21 to help uproot militants with the self-proclaimed Islamic State.
Iraqi Defense Minister Khaled al-Obeidi visited the region Thursday, saying on state TV that the next phase of the operation is "critical" to the effort to control the strategic city of Tikrit.
Officials and witnesses say an Iraqi force now controls part of northern Tikrit, the city that was taken last June by the self-proclaimed Islamic State.