Three weeks ago, the Ludington Applebee's burned to the ground in a spectacular early morning blaze. WMOM news has learned that the cause of the fire has been ruled as undetermined. This area's state police fire investigator deferred the case to Applebees insurance company adjustor. It was confirmed that the fire had originated above the kitchen area. not much more evidence could be found because the fire was so hot and so much water was needed to extinguish the blaze. No criminal investigation is planned. Some 50 employees were displaced by the incident earlier this month.