1.   They used explosives to blow the door off the front of the building.?

2.   Black powder was used in the pipe bomb that caused the explosion, Daschle said.

3.   Detonated Jones, of Kremlin Drive, Tuebrook, admitted causing an explosion likely to endanger life.

4.   That was the occasion when a gas leak caused an explosion which wrecked an entire tenement.

5.   The explosion was caused by a gas leak from the water heater.

6.   The objectors said radio waves from the latter could cause explosions in the plant.

7.   The police do not yet know what caused the explosion.

8.   Then I would much like to know what caused that explosion in the engine-room.

9.   They have also pleaded not guilty to causing the explosion and possessing explosives with intent to endanger life.