AN UNPLANNED ROOF FALL OCCURRED IN THE #5 ENTRY NEAR SPAD #108, 14,000'FROM ACTIVE FACE. THE FALL MEASURED 20'LONG X 20'WIDE X 4'HIGH. ALL ENTRANCES TO THE FALL WILL BE BREAKERED OFF. VENTILAT ION OR PASSAGE OF PERSONS WAS NOT AFFECTED. THE FALL AREA WILL NOT BE REHABILITATED.