1.   It is an elevating experience filling gas balloons for the Christmas party.

2.   A disadvantage of gas balloons lacking supplementary heating is that during the day, sunlight warms them, making the gas inside less dense and therefore more buoyant.

3.   A simple gas balloon, lacking supplementary lift from heated air, is more limited in duration.

4.   During daylight hours a simple gas balloon is warmed by the sun, and its gas expands, causing the balloon to rise.

5.   Gas balloons fly higher than hot air balloons and thus catch stronger wind jets for greater distance.

6.   Other pilots have gone higher in pure gas balloons.

7.   A squatter ignited a gas balloon to keep away police trying to evacuate him from a Jewish settlement in the West Bank, wounding five people, police said.

8.   A squatter ignited a gas balloon Wednesday as he tried to keep police from removing him from a Jewish settlement in the West Bank, police said.

9.   A squtter ignited a gas balloon to keep away police trying to evacuate him from a Jewish settlement in the West Bank, wounding five people, police said.