THE INVESTIGATION INTO A THURSDAY MORNING HOUSE EXPLOSION CONTINUES IN CLEARFIELD COUNTY.  OFFICIALS SAY IT HAPPENED AROUND 7:30 ON PENTZ LANE IN FERGUSON TOWNSHIP, NEAR CURWENSVILLE.  ONE MALE VICTIM WAS TRAPPED IN THE HOUSE AND HAD TO BE RESCUED.  A SECOND VICTIM DID ESCAPE, BUT WAS INJURED IN THE PROCESS.  BOTH VICTIMS WERE TAKEN TO HOSPITALS FOR TREATMENT.  MULTIPLE FIRE COMPANIES WERE INVOLVED IN PUTTING OUT THE FIRE.