If Islamic State fighters threatened Turkey, Nato would "take all steps necessary" to help them defend themselves, according the organisation's ?Secretary General.
Anders Fogh Rasmussen said: "We are very much concerned about the activities of the so-called Islamic State, which is a bunch of terrorists, and it is of utmost importance to stop their advance."
He added: "If any of our allies, and in this case of course particularly Turkey, were to be threatened from any source of threat, we won't hesitate to take all steps necessary to ensure effective defence of Turkey or any other ally."
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.