Solicitor Rhian Morgan said the action was being brought under the Law of Private Nuisance on the grounds of the residents having "unreasonable interference with enjoying their property".

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Merely showing that lots of individuals suffer private harm does not mean the nuisance is public.

ECONOMIST: Environmental risks

"Cyber attacks are a nuisance and cause aggravation as well as costs to countless private and public organisations up and down the country, " said Det Con Nicky Holland-Day.

BBC: Lewys Martin