WAYNOKA — Fire investigators believe there was no smoke detector in the home where four people, including two firefighters, died early Friday, the state Fire Marshal's office said Monday. James Fullingim, assistant state fire marshal, said the cause of the fire, which appeared to have originated in the kitchen or living area of the home, remains under investigation. He said there was no indication that a crime was committed. The fire began in the early morning on Friday, and was reported by someone in the house who said the two people in the home could not escape. Two Waynoka firefighters suffered fatal injuries while attempting to rescue the man and woman inside the house. The names of the fire victims have not yet