Liberal Democrat peer Baroness Nicholson has told ITV News any military intervention involving Britain in Iraq should not be done with Nato and "certainly not alone".
Lady Nicholson, who leads aid efforts with the AMAR Foundation in the country, said "saving lives must be the absolute top priority".
She said financial help was needed to aid civilians on the ground, who were facing "another Gaza situation".
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.