PROPANE EXPLOSION REAR STORAGE PORTION OF NEW ELKS REHAB BUILDING. WALL IN CONOPY AREA DISPLACED OVER 3 FEET, ONE SET OF DOUBLE DOORS BLOWN OFF WALL, MAJOR DAMAGE TO 2 EXTERIOR WALLS AND 2 INTERIOR WALLS AND CEILING. OK TO CLEAR AND STATE REBUILD ONCE FIRE AND POLICE COMPLETE INVESTIGATIONS AND RELEASE. OSHA IS ALSO IVOLVED. ONE WORKMAN INJURED.