Details from a secret meeting between top Iranian and Iraqi officials signal Iran's aim to 'stop arming' militias.
A cease-fire deal between Mr. Sadr's representatives in the Iraqi government and members of the leading Shiite bloc aims to end weeks of fierce battles in Sadr City.
The US military in Iraq says Iran continues to aid militants, but Iraqis now say that they want their own evidence.
As US troops draw down, Iraqi forces are taking the lead. Reviews so far are mixed.
Pentagon weighs lead role in NATO's combat mission in the south to better fight Taliban.
The move brings greater focus to the conflict in Afghanistan. Lt. Gen. Odierno is set to succeed Petraeus in Iraq.
The summit of Arab neighbors Tuesday is the third attempt to gain more support for Iraq's reconstruction from Sunni states. Baghdad's crackdown on Shiite militias may help.
Bombings this week in Sunni areas of Iraqi have killed more than 100 people.