Related Clues:

• Ambulance attachment
• Seductive lurer
• Patrol car wailer
• Maritime hazard
• Come-hither type
• Fire engine's wail
• Sultry singer
• Engine sound?
• Fire indicator, perhaps
• Police car's sound
• ''All clear'' signal
• Ambulance signal
• Fire engine's warning
• Risen like Lorelei
• Loud whistle or sea witch