isis supply lines to the west of mosul. cnn's michael holmes is on the ground in erbil, iraq, following developments and joining us live this hour. it's a pleasure to have you with us. first of all, what more can you tell us about these advances on the battlefield and disagreements between the united states and the iraqis? >> reporter: yeah. there are those advances on multiple fronts. and different units are at different distances from the outskirts. we know of one, for example, iraqi counterterrorism unit that has eyes on mosul at the moment. there's peshmerga units four kilometers out, but there are still towns yet to be taken and secured 15 to 20 kilometers away. they've got to get everybody on the same page as far as the encircling of mosul. a little bit of confusion, as you said, about the pace of the offensive or what's next. we had american officials saying last night, friday, that the iraqis would be pausing on some fronts to allow other units to catch up and consolidate which