Firefighters working in cities and towns have seen it all before. The bells go down, the crew go out to an AFA (automatic fire alarm), they arrive at the job and find there is no fire. The alarm might have been caused by burnt toast or even a faulty alarm system, but the result is wasted time and money, and a crew taken away from real emergencies, training or fire safety work. With a third of all emergency calls the London Fire Brigade attends caused by false alarms to automatic fire alarm systems, it was clear that work needed to be done to tackle this problem.
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