Smoke rises after drone attack on oil field in northern Iraq | AFP

Smoke rises following a drone attack on an oil installation at the Sarsang oil field near Dohuk, in northern Iraq's autonomous Kurdish region, forcing US firm HKN Energy to suspend operations there. Several oil fields in the region have been hit in the space of a week as Kurdistan has seen a spate of unclaimed drone attacks, which have come as the regional government and the federal authorities in Baghdad wrangle over control of export revenues from the Kurdistan fields.