Iraqi media late last month cited a security source as saying that a base of the Popular Mobilization Units (PMU) had been hit by Turkish drones. The rare Apr. 26 incident in the northern Nineveh Governorate was said to have caused both human and material losses. The same source claimed that rockets had targeted nearby Turkish forces the previous evening.

These incidents took place against the backdrop of Turkey’s Apr. 18 launch of the ongoing Operation Claw Lock in northern Iraq. Turkey says the offensive is geared to dislodge the Kurdistan Workers’ Party (PKK) from the area...