could have a real tactical significance and be a much more serious setback to isis. >> let's talk about sinjar right now. stay right there, congressman, we want to talk specifically about how this key city where kurdish forces claimed to have liberated an isis stronghold after just two days of intense fighting. this morning kurdish peshmerga troops proudly raising their flag over that city, sinjar, which had been held by the terrorist group for more than a year. cnn senior international correspondent nick paton walsh is embedded with kurdish forces on the front lines. he joins us now live. nick, what are you seeing on the ground there? >> reporter: well, it has been a remarkably swift move by the peshmerga to take their city. it started yesterday we saw moving to the eastern and western flanks to cut that road off congressman was just talking about there. but today they moved in from the north straight into the city center. hundreds of them on foot. in fact meeting initially heavy resistance, a lot of automatic gunfire as they moved in there, but that slowly turned into it seemed isis melting away and leaving in their wake a