Adherents of Islamic sect now dominate Iraqi politics after being sidelined under longtime dictator, but tensions over power-sharing have resulted in divisions and bloody violence

Headed by Prime Minister Mohammed Shia al-Sudani, new cabinet excludes followers of Shiite cleric Muqtada al-Sadr following August street violence that left at least 30 dead

Military ends nationwide curfew, Iran reopens border with neighbor as calm returns, though year-long political impasse between pro-Tehran and nationalist camps still unresolved

Two days of deadly unrest rocked capital after resignation of Muqtada al-Sadr, as larger Iraqi political crisis remains unsolved

Closure comes as millions of Iranians were expected to visit Shiite sites in neighboring country as part of annual pilgrimage; Iran, Kuwait urge citizens to avoid travel to Iraq

At least 7 shells land in protected quarter housing gov't buildings and diplomatic missions, but unclear who authorized bombing; Shiite cleric's supporters occupy government palace

Muqtada al-Sadr announces that 'all the institutions' of his movement will be shuttered excluding the resting place of his father and other heritage sites

UN sounds alarm over further political paralysis as judiciary announces suspension of court sessions following telephone threats pressuring for disbanding of parliament

Followers of powerful Shiite cleric Muqtada al-Sadr vow to occupy building as they persist in their efforts to prevent formation of coalition supported by Tehran

Muqtada al-Sadr has been unable to cobble together a coalition that can form a majority government; Iraqi parliament set to replace 73 lawmakers who resigned earlier this month