Suddenly, the air raid siren sounds and their meeting is cut short.

A civil air raid siren can be heard in the background.

Simultaneously the national air raid siren system would be brought into service.

I'm old enough that I remember when they tested the air raid sirens once a month.

And are those air raid sirens I hear in the background?"

The air raid siren goes off and bombs start falling.

During the attack, an air raid siren came on and the mob ran for cover.

A few minutes later we heard the wail of air raid sirens for the first time.

Twenty minutes later the first air raid sirens are sounded in London.

They reported hearing air raid sirens shortly before the bombs hit.

In France, the population warning is made via air raid siren.

My endorphin levels must have been going up and down like an air raid siren.

Upon the outbreak of war, air raid sirens sounded throughout Israel.

He remembered lying on his back, looking up at the early morning stars and hearing the air raid siren go off.

It was obvious that the air raid siren had never been much more to them than a bore.

"I remember going and sitting with my family in the cupboard under the stairs when the air raid sirens came on," she said.

Suddenly there was the distant wail of an air raid siren.

Just as they were arriving in their new quarters, the air raid sirens sounded.

The intro to the song also features an air raid siren.

However, he is interrupted by the air raid siren.

As the test was being prepared the air raid siren went off, and they were ordered into the shelters.

Air raid sirens sounded and the city was blacked out.

At about this time, the town's air raid sirens were belatedly sounded.

The interviews were cut short when an air raid siren wailed outside the window after about 40 minutes.

Should the air raid sirens begin, it might be im- possible to drive out of London.