Police at the scene, sirens, talk on the radio:
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Police ambulance rides by with a siren in
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Sirens, talk on the, Police at the scene
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General alarm on the ship
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Smoke signal
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Aircraft carrier chemical alarm
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Military alert
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Fire alarm (voice)
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Electronic alarm
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Factory, guarded facility, Alarm in a factory
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Car alarm
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Spacecraft alarm
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Danger of collision on a ship, Alarm
★★★★★