( CNN ) -- A storm system that produced a number of tornadoes in the Midwest was blamed for at least seven deaths in two states , officials said Wednesday . At least three people were killed when a tornado touched down in Harrisburg , Illinois , early Wednesday , the Saline County Sheriff 's Office said . About 100 others were injured . The number of fatalities in Harrisburg could rise , the city 's mayor said , in the wake of the twister that appeared to have been on the ground for several miles , said the city 's mayor , Eric Gregg . The path of destruction was about three or four football fields wide , he said . The scene in the southern part of Harrisburg , where the tornado struck , was one of debris and collapsed houses . Commercial and residential buildings were crushed . A tractor-trailer could be seen laying on its side , off the highway . Crews were searching `` piece by piece '' for survivors , Gregg said . It was `` a path of destruction that is absolutely devastating , '' he said . `` It 's a very difficult day for a very good community in southern Illinois . '' At least five people were killed in Harrisburg because of the storm , he said . According to the sheriff 's office , some 100 people were injured and between 250 and 300 houses were damaged or destroyed . Some 25 businesses were also damaged or destroyed , the sheriff 's office said . Crews were also examining some structural damage to the Harrisburg Medical Center , to judge whether any patients must be moved , Gregg said . `` It 's like nothing I 've ever seen , and something I do n't care to see again , '' he said . Earlier , two deaths were reported in Missouri as a result of the storms . A woman was killed overnight in Dallas County , Missouri , the coroner there said , without giving further details . An apparent tornado near Cassville , Missouri , left another person dead , the Barry County Sheriff 's Office said . That person was thrown out of a mobile home , the sheriff 's office said . Tornado in Kansas captured on video . The pounding rain and swirling , destructive winds raking several Plains states injured others in Kansas , as well . That state was socked Tuesday night and Gov . Sam Brownback declared a state of emergency for a small town hit badly by the severe weather . The National Weather Service 's Storm Prediction Center issued tornado watches through noon for parts of Kentucky , Tennessee , Indiana , Arkansas , Illinois and Missouri . Along with tornadoes , the center warned of the possibility of golf-ball-sized hail , winds up to 75 miles per hour and `` dangerous lightning . '' The state of emergency was declared for the tiny Kansas town of Harveyville , about 20 miles southwest of Topeka . Emergency teams combed the community to assess damage . Authorities said they believe a tornado hit the town Tuesday night . Some homes and a church were damaged , and there were numerous reports of trees and power lines down throughout the area , according to the Kansas Adjutant General 's Department . At least one person was critically injured and transported to a hospital in Topeka while four others were briefly trapped in a structure . `` It is quite hectic , '' said Bill Beasley of the American Medical Response for Shawnee and Wabaunsee counties , who said nine ambulances were dispatched to the scene . The American Red Cross is assisting and officials have set up a shelter at a local high school . There were also reports of a tornado touchdown in Kansas ' Reno County , near Hutchinson , and another in central Nebraska . The same powerful winter storm system spawned the severe weather in Dallas County , Missouri , and along the Missouri-Arkansas border . A path of destruction cut six to seven miles through Taney County , Missouri , damaging homes and businesses , according to Sheriff Jim Russell , who said there were `` some injuries , '' but no reports of fatalities . The resort community of Branson is in the county . Russell said he had no specific information about damage in the town . CNN 's Samuel Gardner , Scott Thompson and Alta Spells contributed to this report .
NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. NEW : Five are killed in Illinois when a tornado strikes . NEW : The tornado was `` absolutely devastating , '' mayor says .