11.   Harvey Point sets off powerful explosions to recreate terrorist acts.

12.   Helicopters passed overhead, and two powerful explosions were seen, apparently from missiles.

13.   In downtown Pristina, glass and debris from two powerful explosions were spread across the main street.

14.   In the early afternoon, a powerful explosion shook the headquarters of an elite Palestinian security force in Bethlehem.

15.   In the morning bus attack, a mortar was apparently used to set off a powerful explosion dozens of yards from the passing bus.

16.   Kabul was rocked all day by powerful explosions Wednesday.

17.   Lots of powerful explosions.

18.   Sluggish gray clouds spit a cold rain as burial crews went about the grim task of collecting pieces of human flesh scattered by the powerful explosions.

19.   The bubbles, McNamara said, were most likely created by extremely powerful explosions, probably involving material plunging toward grasping black holes.

20.   The powerful explosions ripped into the crowd, shattered store front windows, shook nearby buildings and echoed through the city on a cool, clear night.