The Iraqi government has said it is troubled by reports that Islamic State fighters are smuggling seized oil to export markets to generate revenue.
It warned buyers that any oil sales that are not authorised by the Ministry of Oil could be used to finance terrorist activity, and may be subject to sanctions.
Islamic State has seized five oil fields in the north since it arrived in June from Syria.
Kurdish Peshmerga fighters have emerged victorious in the battle for Mosul Dam, but the question is - what will their next move be?
An ITV News team at Mosul Dam was with victorious Kurdish Peshmerga fighters at the complex earlier today.
ITV News joined a Kurdish unit fighting Islamist militants near Irbil and found them using tanks from the 1950s and short on ammunition.