21.   A huge explosion caused heavy damage to a building in downtown Nairobi near the U.S. Embassy and the central bank on Friday.

22.   A late-night explosion caused slight damage to a building in the center of the Albanian capital of Tirana, officials said Sunday.

23.   A ministry spokesman had no information on whether the explosion caused any disruption in flights arriving or leaving the Vnukovo airport on the outskirts of Moscow.

24.   A small explosion caused minor damage to the lobby of the luxury Hotel Melia Cohiba early Monday.

25.   A small explosion caused minor damage to the lobby of the luxury Hotel Melia Cohiba in the third hotel blast in the Cuban capital in as many weeks.

26.   An explosion caused a fire in a central Athens building on Tuesday, forcing the evacuation of a group of teenagers attending lessons at a small private night school.

27.   An explosion caused minor damage but no injuries and police deactivated a second device at an insurance company in the Spanish capital Thursday, police said.

28.   An explosion caused minor damage but no injuries at an insurance company in the Spanish capital Thursday, police said.

29.   Although the explosions rarely cause injuries, they scare away tourists and have created a climate of insecurity on the island.

30.   An explosion caused the loss of oxygen, power and guidance.