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Air strikes continue to hit targets around tikrit as they try to retake the city from isis. we h have the report from the vy front line. >> theres movement in the house hes seeing. >> reporter: this is tikrits southern border. a number of positions along the shoreline. they are trying to add vansz. inside the city, hundreds of isis fighters fortified in buildings, underground tunnels, booby trapped roads. they were all isis positions. for weeks, iraqi ground units were unable to push into the ci...