Environment Agency have put booms into Leeds Liverpool canal at Armley as chemicals from the fire mixed with water from firefighters' jets spills into the watercourse.
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The man was found 160 metres away from his car, unresponsive and suffering from hypothermia.
Conservative Ben Bradley admitted his claims were 'wholly untrue and false', and pledged a 'significant' donation to charity.
Weather outlook: Temperatures below average during the day and overnight. Up to 10 centimetres of snow expected on Monday in some parts.