1.   City Manager Allen Dinkel said it is standard procedure for police to decide whether to sound the sirens.

2.   Early Friday was the first time air raid sirens were sounded since the United States and Britain ended a four-day military strike Sunday.

3.   It was the first time that sirens were sounded since the end of four-day U.S.-British bombings Sunday.

4.   This was the first time that air raid sirens were sounded since the United States and Britain ended a four-day military strike on Iraq on Sunday.

5.   No air raid sirens were sounded.