Supplies including drinking water and tents are due to be dropped by a C-130 cargo plane when it reaches Iraq - the first consignment of UK emergency aid to be sent to the country.
The plane which took off from the RAF Brize Norton base will make the drop near members of the Yazidi religious minority who are trapped on a mountainside.
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.