Furious residents living near the UK’s largest traveller site have urged Housing Secretary Angela Rayner not to weaken planning rules, amid fears changes could make it harder for councils to tackle unauthorised encampments.Locals in South Ockendon, Essex, say they are already concerned about the scale of the Buckles Lane site, which has grown from a council-approved community of around 50 caravans, to a sprawling settlement said to contain more …