“The leader of a powerful Iraqi Shiite militia that is operating against the Islamic State has threatened to attack the US after members of allied militia were killed in a blast in Anbar province over the weekend. Shiite militias have claimed that the US killed the militiamen in an airstrike, but US officials denied that aircraft were operating in the area when the blast took place.”
Source: Iraqi Shiite militia commander threatens to attack US | The Long War Journal