clean up is just beginning after a series of tornadoes pummeled towns in iowa thursday. part of the same weather system that sank the duck boat in missouri. the roof of the agriculture equipment company ripped off. 400 people were inside at the time. seven were taken to the hospital in the southeast part of iowa. a state of emergency declared in the city of marshalltown. a city of 27,000. in the distance, you can see the top of the courthouse building blown off by a twister. at least ten people were treated at the hospital. many customers without power this morning. >> let's see what is ahead for the country with meteorologist derek van dam. >> dave and christine, the same threat of storms moves to the south and east. the storm prediction center has indicated a moderate risk of