1.   The gas containers burst at high pressure.

2.   Crew members rolled water coolers, used gas containers, tool boxes, and extra tires off Pit Road.

3.   They suggested waiting for the beam to enter the gas container, then smoothly reducing the intensity of the second beam.

4.   A household gas container exploded Wednesday in western Ukraine, killing three people and injuring three, officials said.

5.   A fire broke out in the small brick building late Friday, causing an explosion when it spread to gas containers.

6.   Accidents involving household gas containers and pipes claim dozens of lives each year in the former Soviet republic.

7.   At least two propane gas containers were used in the attack, police said.

8.   Authorities blamed a leaky gas container.

9.   Authorities initially said the explosion was caused when a gas container accidentally ignited.

10.   Four people were killed and three were injured Wednesday in an explosion that was apparently caused by a gas leak or mishandling of a gas container, officials said.