this assault. isis, though, not giving up the plains that easily. we saw today they will put up a fight. a lot of coalition paair power used. the peshmerga convoy we're will, no u.s. troops involved on the ground. we certainly saw western faces in the mix here advancing a complex situation where the united states, coalition, providing a lot of technological expertise trying to make this move more smoothly, but there are mines, and you saw there, the sheer tenacity of isis' fighters that might well slow them down, wolf. >> no reason to believe these isis fighters will give up by any means. you say 1.2 million people. this is the second largest city in iraq. 1.2 million people and i assume everyone is bracing for enormous numbers of civilian casualties as a result of this military offensive right now. getting in pictures right now of a car bombing in mosul. i suspect that probably is only