21.   Hau said his understanding of history and of the use of military power are causing his alarm.

22.   How high does it have to be to cause alarm?

23.   If a plane has not filed a flight plan, and is not in radio contract with controllers, any deviation would not cause alarm.

24.   In April, China stopped its military exercises near Taiwan, which had inadvertently caused widespread alarm elsewhere in Asia.

25.   Incidents of local residents stealing food intended for refugees have caused some alarm as well.

26.   It is his eight interceptions in four games that has caused alarm in Austin, however.

27.   Not so long ago this warming might have caused alarm in Washington, a sign that its influence in Eastern Europe was slipping.

28.   Plans to detonate a huge bomb in the Dead Sea Thursday in an attempt to simulate an earthquake are causing alarm among environmentalists and divisions between Israeli government departments.

29.   Random spikes were detected several days ago in a gyroscope, causing an alarm to sound.

30.   Several fund-raisers said this caused alarm because the list did not include some longtime fund-raisers for the party who have helped the president.