The Environment Agency says oxygen levels in Grantham Canal have now returned to normal after the deaths of hundreds of fish.
They were first called to the waterway yesterday and found oxygen levels at around 20%. Since then they have been pumping chemicals into the water to increase the oxygen concentration.
Test have now showed that the oxygen has returned to its normal level. It is believed the recent hot weather, leading to an increase in weed growth, had caused the drop.
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Tens of thousands of fans of Arsenal and Aston Villa have descended on Wembley Stadium today for the FA Cup Final.
Turning wet overnight but brighter with showers tomorrow.
Becoming cloudy, wet and breezy overnight.