A mysterious liquid in United Kingdom which has been turning a stream of the River Ouse bright blue and green has left experts baffled.
The Technicolor waters appear to have a soapy liquid in them that is causing the color change - although the source remains a mystery.
Authorities are urging anyone who sees the color change to contact them to help with the investigation.
Dogs have been reported falling ill after swimming in water in the area and investigators have been checking industrial areas around Huntingdon to find the source of the pollution.
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