Mike Thornley is a Red Squirrel Officer, he said:
"Trapping grey squirrels and taking them out of habitats is the only way to give red squirrels a future.
"The species cannot co-exist and if we don't clear habitats for them then our native squirrels will die out."
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A memorial service was held in London for Cumbrian broadcaster John Myers, who died unexpectedly in June aged 60.