Hundreds of thousands of people in Lancashire are being warned to boil their tap water before use to kill a microscopic bug. Tests at a water treatment plant have found traces of cryptosporidium, a parasite which can cause gastroenteritis and is commonly associated with diarrhoea, vomiting and nausea.
The warning was issued on Thursday afternoon to United Utilities customers in large parts of Lancashire including Blackpool, Chorley, Fylde, Preston, South Ribble and Wyre.
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