The Foreign Secretary Philip Hammond has tonight called Iraq's President Fouad Massoum, urging him to help form an 'inclusive' government.
Foreign Office sources suggest that defeating Islamic militants will only be possible with strong leadership from inside Iraq.
Mr Hammond also spoke to the Kurdish leaders Masoud Barzani pledging British humanitarian support.
Further plane-loads of aid are expected in the coming days.
Requests for arms are, however, likely to be met with a polite 'no '.
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.