Defence Secretary Michael Fallon will chair an emergency meeting of the Cobra committee on the situation in Iraq.
Islamist militants have made significant gains across northern Iraq, forcing tens of thousands of people from minority groups to flee their homes.
US President Barack Obama announced that America is prepared to launch air strikes against Islamist militants, but Downing Street has said there will no UK military action in Iraq.
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.