GREENSBORO BEND — The origin and cause of a Thursday fire at 855 Main Street are being investigated by the Greensboro Fire Department and the Department of Public Safety Fire and Explosion Investigation Unit. Police say it’s a non-criminal investigation. A call of a fire at a multi-family residence came in at 11:03 a.m. Aug. 4. Crews from several area departments worked to extinguish the fire. All occupants were able to exit the residence safely, and no injuries were reported. The cause of the fire remains undetermined, but is not considered to be the result of direct human involvement, officials said. Anyone with information about this fire is asked to contact Vermont State Police in Derby at (802) 334-8881.