LINCOLN -- Two dumpster fires at the same school back-to-back nights. Just before midnight Saturday, fire crews put out a dumpster fire at Kahoa Elementary in the 7700 block of Leighton Avenue. Flames were said to be 30 feet high. The dumpster is used for cardboard. On Friday night, crews were called to the same school and same dumpster for a fire. Fire Inspectors are working to determine the fires are related.