The rising water levels at the disused Wheal Jane mine in Cornwall have been brought under control.
An additional pump from the fire service has helped control levels.
It was feared untreated water could pollute a nearby river if levels continued to rise.
Our Cornwall correspondent Steve Hardy has the latest:
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More than 2,000 young people are gathering on Dartmoor today ready to take part in the Ten Tors challenge.
Alex has your forecast: Mild start to Friday with good sunny spells.
Temperatures will continue to rise, with hazy sunshine