While more than 100 carp perished as water levels fell in the lake at Great Massingham, near King's Lynn, a similar number have now been rescued.

A mud dam has been built enclosing a corner of Scotsman's Pit, so fish rescued from its toxic silt can recover before dredging work resumes.

A carp's bronze flank flashes in the sun at Scotsman's Pit (Image: Chris Bishop)

While some of the mud has been removed from the margins, a machine with a longer reach is now needed to clear further out into the water, with work due to start in a few days' time.

"We've got a dam in place and we're trying to save as many fish as we can before D-Day, which is August 17," said Matt Bundock, a local builder who has taken a week off work........

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