An explosion rocked this Nebraska feed plant in Omaha.<br /> <br />Authorities say at least two people were killed, but they have not cleared the entire structure yet.<br /> <br />Kari Cook's boyfriend sent her a text from inside the International Nutrition facility:<br /> <br />(SOUNDBITE) (English) KARI COOK, BOYFRIEND TRAPPED IN PLANT BUILDING, SAYING:<br /> <br />"He sent it to me at 10:09 this morning, it says major accident, I'm hurt and trapped. Love You"<br /> <br />Omaha Interim Fire Chief Bernard Kanger says 38 employees were inside the plant at the time.<br /> <br />(SOUNDBITE) (English) OMAHA INTERIM FIRE CHIEF BERNARD KANGER SAYING:<br /> <br />"Through out the operation, we transported a total of 10 patients. Four of these patients were in critical condition, six have non-threatening injuries, and seven additional individuals refused care - they received treatment on scene but refused to go to the hospital."<br /> <br />Facilities such as this one, which produces feed and vitamins for animals, are considered extremely