21.   According to police, the device consisted of propane gas canisters soaked in gasoline.

22.   Carlson said the explosion was caused by a leak of propane gas.

23.   Fueled by propane heating gas spewing from broken pipes, the flames spread rapidly.

24.   Propane gas might have fueled a powerful explosion that destroyed a house in this farming community, killing seven people and injuring six others, officials said today.

25.   Spanish National Radio reports indicated the blast may have been caused by a welding spark near an accumulation of propane gas.

26.   The fire was fortunately doused before reaching five propane gas cylinders stored in the restaurant, said Budapest deputy police spokesman Endre Kormos.

27.   They believe the FIAT cars, parked outside the dealerships on the outskirts of central Athens, were destroyed by propane cooking gas canisters soaked in gasoline.

28.   Three tankers of propane gas exploded in the derailment, the Interfax news agency said, citing the Ministry of Emergency Situations.

29.   Cold weather generally lets hot air balloonists stay longer in the air, allowing them to limit their use of the propane gas needed to keep the balloon aloft.

30.   Five Moroccans, including a child, were killed Thursday when two cannisters of propane gas exploded in a Casablanca restaurant, legal sources said.