The Environment Agency said the low oxygen level in Pittville Lake could be algal bloom or sediment stirred up by rain, or both.
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A man in St Ives has smashed a stranger's car window to rescue a springer spaniel inside he felt was suffering in the heat.
Bus cuts in Torbay have left some residents feeling cut off and stranded, now relying on expensive taxis to get around.
Avon and Somerset officers say the last time 27-year-old Anna Lewis was seen was leaving Southmead Hospital on 13 April.