51.   The taggants use a chemical that can be detected by equipment at airports and would help the authorities find bombs before they are detonated.

52.   There were no reports a second bomb was found, and authorities said they had no suspects.

53.   This week bombs were found in the offices of the attorney-general, Marzuki Darusman, the man leading the anti-corruption investigations.

54.   Three suspicious packages were searched at the U.N. Plaza Hotel, but no bombs were found.

55.   Two weeks ago, a bomb was found wired to a high-speed train track near Lyons.

56.   Unexploded bombs are found fairly regularly in Britain.

57.   Were its bombs ever found?

58.   When the first bomb was found, the refuge was closed to the public.

59.   Police acting on a telephone warning found a bomb Thursday beneath an elevated section of a major highway in central England.

60.   Police and airport spokesman refused to confirm whether a bomb was found.