61.   The fire, however, was not out, and eventually spread and triggered the explosion.

62.   The explosion was reportedly triggered by a faulty gas container used for a stove at a food stand in the covered market.

63.   The officers said a fire in the torpedo compartment was a possibility but insisted it would not have triggered an explosion.

64.   The police chief said that what triggered the explosion was not known, but the oxygen fueled the flames.

65.   The pressure could trigger an explosion, possibly throwing rocks and other debris.

66.   The pressure could trigger an explosion that would throw rocks and other debris.

67.   They could not determine if the explosions were triggered by roadside bombs or land mines.

68.   Three civilians died immediately in the blast, which authorities said likely happened when militants triggered a land mine explosion.

69.   Corporal Chris Chandler stepped on the mine Sunday while helping clear landmines and unexploded ordnance from Kandahar airport, triggering an explosion that injured two other Marines.

70.   This technique helps them trigger the explosion without having to open the bags.