The Iranian-backed Shia militia group known as the Hashd al-Shaabi, also called the Popular Mobilization Forces, has played a significant role in the conflicts in Iraq, Syria, and Yemen. They have been involved in the fight against ISIS in Iraq and Syria, as well as supporting the Houthi rebels in Yemen. The group is seen as a major force in the region and has been a key player in the ongoing conflicts in these countries.
