Fire investigators are still trying to figure out what caused a three-alarm fire at the Lincoln Public School District office on Tuesday morning. And school officials are working to keep the district... more 
Fire investigators are still trying to figure out what caused a three-alarm fire at the Lincoln Public School District office on Tuesday morning. And school officials are working to keep the district running. less 
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KETV - Omaha Videos
Wed, May 2, 2012 4:14 PM EDT