21.   I seldom saw a police car or heard a siren.

22.   If so, they might be hearing sirens, compliments of their manager.

23.   Montgomery Mayor Richard Tuten heard a siren, but said its significance may have escaped some people so early in the morning.

24.   Others said they heard the sirens before the storm.

25.   Police harassed him to the point that whenever he heard sirens, he got very nervous.

26.   Rat said he did not see the accident, but went to the scene after he and a colleague heard a siren nearby.

27.   She could hear sirens in the background.

28.   She said Jeffrey Klier chased her to her car, and broke all the windows out before he ran away when he heard police sirens.

29.   Some Northland residents reported hearing the sirens after the tornado had passed.

30.   Suddenly warning sirens were heard, and viewers of CNN and MSNBC learned along with the Iraqi people that an attack was probably imminent.