11.   The fire remained under investigation, but Kelley said he suspected it was caused by a propane heater installed three days earlier to keep water from freezing.

12.   Two soldiers died shortly after being found unconscious in their tent with a working propane heater, Army officials said Monday.

13.   Former tennis star Vitas Gerulaitis died from accidental carbon monoxide poisoning caused by a faulty propane heater, police said late Monday.

14.   Right after Fossett left Seoul Saturday his two propane heaters broke down but he decided against abandoning the journey.

15.   Tennis star Vitas Gerulaitis died from lethal levels of carbon monoxide caused by faulty installation of a propane gas heater, police here said Tuesday.

16.   Tennis star Vitas Gerulaitis was killed by lethal levels of carbon monoxide caused by faulty installation of a propane gas heater, authorities said here Tuesday.