also said this is a clear message to isis as well that the reach of the u.s. and britain is long and that they will not forget the fate of their citizens. >> all right, fred, thank you for that. meanwhile, day two of operation free sinjar. thousands of kurdish forces storming the city with u.s. and coalition warplanes, providing cover from above. a defining moment in the war on terror. let's get the latest on the offensive from cnn's senior international correspondent nick paton walsh, live in sinjar. >> reporter: in the distance behind me you can see a grain silo which was, we're told, one of isis's main buildings in sinjar. now it's in the hands of the kurds. there's been a substantial change in sinjar since this morning. we saw earlier on today large numbers of peshmerga troops moving in on foot, walking down the roads, converging in the city center. then intense clashes, they