Sites in Fakenham, Stockton, Harleston, Broome, Welney and two in Clenchwarton, near King's Lynn have been named on the Environment Agency's "high priority" list.

They are among 117 sites which Environment Agency officials have identified as causing concern to local communities and where the government agency is investigating potential illegal activity.

A number of the sites have made headlines previously, including the so-called Tattersett tyre mountain.

Mounds of tyres at Tattersett (Image: Newsquest)

An estimated 800,000 tyres were deposited at the tip near Fakenham, weighing about........

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