21.   Three minutes after the drivers of the intentionally disabled vehicles slipped away in other cars, timers would detonate the powerful bombs they left behind.

22.   Two other small bombs have gone off in Medellin without casualties, and the police said they defused another powerful bomb in the heart of Bogota on Thursday.

23.   What mainly drove American physicists to design the more powerful bomb was the news that the Soviet Union possessed an atom bomb.

24.   When the trunk of his car was opened, agents discovered a powerful bomb.

25.   Palestinians set off a powerful roadside bomb near an Israeli convoy in the Gaza Strip on Thursday, and three Israelis were killed, the army said.

26.   Police exploded a powerful bomb they found close to a busy Madrid shopping complex and which they believe was planted by the armed Basque separatist group ETA.

27.   Powerful bomb explosion at oil storage tank.

28.   Parliament met in emergency session Wednesday to discuss the powerful bomb blast.

29.   Parliament met in emergency session to discuss the powerful bomb blast.

30.   A Christian policeman was killed and six members of his family were injured Friday in a powerful bomb explosion at their Eastern Lebanon house, security officials said.