61.   The pressure dropped just long enough to trigger the alarm, evidently because of a sensitive switch, then returned to normal.

62.   The wave of accounting scandals engulfing Wall Street is threatening the U.S. economy, eroding consumer confidence and triggering political alarms in Washington.

63.   They handed over rings and a necklace but managed to trigger an alarm.

64.   They handed over rings and a necklace, but managed to trigger an alarm and the burglars fled.

65.   Vidar Edsberg, the head of security at the museum, said burglars broke a window and triggered an alarm after midnight Monday.

66.   When he still triggered metal detector alarms, the guards took him to a back room and asked him to remove his trousers.

67.   An alarm was triggered in a nuclear power station by a cigarette that was being smoked by President Vaclav Havel, Czech television said Thursday.

68.   An automatic earthquake alarm was triggered in the office and staff appeared considerably alarmed.

69.   An earthquake alarm was triggered in the office and staff appeared considerably alarmed.

70.   Both sides have massed about one million troops on their common borders triggering internationational alarm of a war between the nuclear-armed South Asian neighbours.