U.S. official : Up to 500 Iraqi troops could take part in Mosul assault in April or May . Right now , ISIS has an estimated 1,000 to 2,000 fighters in Mosul , the U.S. official said , but more could join the fight if they take the threat of attack seriously . He says the terms are being negotiated to show Iraq 's commitment to defend the city . A Kurdish military commander is skeptical , saying Iraq 's army ` ` is not ready for the fight ''
U.S. official : Up to 500 Iraqi troops could take part in Mosul assault in April or May . He says the terms are being negotiated to show Iraq 's commitment to defend the city . A Kurdish military commander is skeptical , saying Iraq 's army ` ` is not ready for the fight ''