The US air campaign to help Iraqi and Kurdish forces break the Islamic State’s siege of Amerli benefited the Hezbollah Brigades, a Shia militia that is supported by Iran and is listed by the US government as a Specially Designated Global Terrorist group. The Hezbollah Brigades is the second Shia militia involved in killing US soldiers to have taken advantage of US airpower to gain territory.

Fighters from the Hezbollah Brigades teamed up with the Kurdish Peshmerga to halt the Islamic State’s advance on Amerli, a town in Salahaddin province that was besieged by the jihadiist group for more than two months before the US began launching airstrikes at the end of August.

Hezbollah Brigades fighters have since torched the homes of Sunnis suspected of fighting for the Islamic State and have refused to let the Peshmerga into the town, Reuters reported. […]