Asalvo of machine gun fire, customary during funerals, illuminated the night sky as dozens of men converged in a dimly lit, unpaved alley on the edges of the sprawling slums of Sadr city to pay their respects. A giant picture of Ali Hassan al-Daraaji had been erected outside the family home in north-east Baghdad to announce his “martyrdom” in this week’s US airstrikes on Iraqi armed groups.