Commander of Iranian-backed Kataib Sayyid al-Shuhada vows to retaliate against US over strikes that killed 4 of his fighters; drone shot down near US Embassy in Baghdad

PM's promise to rein in rogue militias in bid to fight corruption and carry out restructuring has been met with increased instability and violence

In first raid of its kind, Iraq's Counter-Terrorism Service detain members of Iran-affiliated Kataeb Hezbollah militia force in Baghdad

Patriot batteries, other armaments to protect American troops at key bases; US State Department offers $10 million for info on Hezbollah leader coordinating Iraqi militias

Projectiles fired from an area controlled by Iraqi paramilitary forces with ties to Tehran; no casualties reported

Pentagon denies involvement in attacks on iran-backed fighters after Iraqi lawmakers urge US forces to exit country, call strikes 'declaration of war'

Despite paramilitary force accusing Jewish state of being behind strike near border, Baghdad's military says an investigation into the circumstances is ongoing

Coalition representing Iran-backed paramilitaries calls for US troops to leave the country, says it holds Washington responsible for airstrikes

Israel's ImageSat International releases pictures of weapons depot in southern Baghdad controlled by a pro-Iranian militia; attack has been blamed on Israel

Unnamed security source tells Saudi-owned daily that the war that Israel has been waging against Iran In Syria has now spread to Iraq