Kataib Sayyid al Shuhada Archives

Iraqi Shiite militias join the war between Israel, the US, and Iran with drone attacks

Bridget Toomey | March 1, 2026

The Islamic Resistance in Iraq (IRI), a coalition of Iran-backed Shiite militias, claimed over a dozen drone attacks against “enemy bases in Iraq and the region” and issued statements of support for the Tehran regime in retaliation for US and Israeli strikes on Iran. The groups are also responding to unclaimed airstrikes on Iraq that have reportedly killed at least six people, including four confirmed Iraqi militiamen.

US designates 4 Iran-backed Iraqi militias as Foreign Terrorist Organizations

Bridget Toomey | September 18, 2025

On September 17, the US State Department designated four Iran-backed Iraqi militias as Foreign Terrorist Organizations (FTOs). These groups, previously listed as Specially Designated Global Terrorists (SDGTs), have received support from the regime in Tehran and attacked US forces and interests in Iraq and across the Middle East.

Iran-backed Shiite militias attack US forces based in Iraq

Bill Roggio | June 15, 2025

The Islamic Resistance of Iraq has carried out more than 180 such attacks against US forces in Iraq, Syria, and Jordan since October 7, 2023. The most recent attack risks drawing US forces into an offensive role in Israel’s war with Iran. Thus far, the US has attempted only to provide defensive support for Israel in the conflict.

US adds Iran-backed Iraqi militia Kataib Imam Ali to list of terror organizations

Bill Roggio & Bridget Toomey | June 13, 2025

Kataib Imam Ali is the sixth Iran-backed Shiite militia in Iraq that has been listed by the US as a terrorist organization. The group’s secretary general was previously designated for his ties to Iran’s Islamic Revolutionary Guards Corps–Qods Force and its former commander, Qassem Soleimani.

Pro-Iranian Iraqi militia leaders gather in Lebanon for Hezbollah leader’s funeral

Seth Frantzman | February 23, 2025

Falih al Fayyadh, the head of Iraq’s largely pro-Iranian Popular Mobilization Units (PMU), traveled to Beirut for the funeral of Hezbollah leader Hassan Nasrallah on February 23. Other senior members of pro-Iranian militias in Iraq also attended the funeral, and several militia leaders put out statements. Hezbollah-affiliated media claimed approximately 200,000 Iraqis came to Lebanon for the event, though this number is unverified.