1.   The succession of loud clunks sounded over the calm pips as his money ran out.

2.   But alarm bells have sounded over how far the rewriting of official history may go.

3.   But alarms are sounding over limits on how long patients can stay in hospitals.

4.   Evacuation orders were also sounded over a loudspeaker.

5.   So that is where the children ran when the air-raid siren sounded over Surdulica.

6.   Sometime before dawn, the all-clear sounded over Tokyo.

7.   Suddenly, a distant thuk-thuk-thuk sounded over the hills.

8.   The eulogy, a few sentences long, sounds over the P.A.

9.   Two sets of five powerful explosions sounded over the city.

10.   WEE-WAAW, WEE-WAAW, the siren sounded over the room speaker.