71.   The attack was the first of six bombings and attempted bombings that have plagued France and put the nation on high security alert.

72.   The explosions and security alerts Friday coincided with a campaign swing by Major to northwest England.

73.   The security alert came about half an hour after Blair convened an emergency meeting with senior officials about security issues.

74.   The security alert in the capital began Wednesday evening.

75.   The security alert was issued by the Secret Service along with the Education Department.

76.   They advised abortion providers to maintain a high security alert.

77.   There have been a number of security alerts at U.S. embassies since the terrorist bombings in Kenya and Tanzania three weeks ago.

78.   Three days after the raid, the U.S. Federal Aviation Administration issued a security alert to U.S. airlines operating in the Pacific.

79.   There was no sign of extra security in Moscow or other major cities Friday despite Interior Ministry announcements of a security alert.

80.   There were no signs of increased security Thursday in Moscow or other major cities even though the Interior Ministry said it issued a security alert the night before.

n. + alert >>共 182
security 18.65%
bomb 14.94%
flood 3.96%
health 3.58%
e-mail 2.68%
terrorism 2.43%
air-raid 2.04%
pollution 2.04%
tsunami 2.04%
smog 1.79%
security + n. >>共 445
force 16.92%
official 8.09%
measure 3.87%
service 2.70%
concern 2.53%
source 2.32%
reason 2.31%
officer 2.29%
firm 2.22%
issue 1.82%
alert 0.30%
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