Earlier this year a mother and daughter died on a boat in the Lake District as a result of carbon monoxide poisoning.
It now seems that there has been several more cases of carbon monoxide poisonings since then.
Firefighters are so concerned that they are visiting homes in Cumbria advising them to get special detectors fitted to protect them, as Hannah McNulty reports:
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Continuing cloudy and mild with outbreaks of rain, heavy at times over Galloway
Cloudy with outbreaks of rain, heaviest in west
Emma Jesson brings you Sunday night's forecast