11.   We heard several loud explosions followed by an eerie silence.

12.   Witnesses say the fire was preceded by a loud explosion.

13.   There was a loud explosion.

14.   We heard a loud explosion.

15.   They heard a loud explosion and saw a ball of fire go up.

16.   After a great many loud explosions, the race began.

17.   Area residents Tuesday said they heard at least four loud explosions coming from La Garrucha as army troops moved into the hamlet on Monday.

18.   As she slept early Tuesday morning, Chien Tsai-ping heard a loud explosion that knocked her out of bed.

19.   At one point the helicopters unleashed a half-dozen rockets at the casbah, causing loud explosions and a cloud of smoke.

20.   At one point the helicopters unleashed a half-dozen rockets near or into the casbah, causing loud explosions and a cloud of smoke.