Travellers wielding iron bars barged their way onto green belt land and began laying concrete, villagers have claimed. On Thursday, diggers and bulldozers arrived at the field off Friendless Lane, near the village of Flamstead, on the edge of the Chiltern Hills in Hertfordshire. Caravans are said to have followed in the early hours of Easter Sunday. Villagers said they suspected the group had moved in during the long weekend in the hope that council officials would be slow to react to the unauthorised works at the area of outstanding natural beauty. Dacorum borough council secured an emergency injunction, but was still waiting for a court date. Hertfordshire Constabulary said it was “continuing to monitor the situation” as it investigated allegations of criminal damage, traffic offences and threatening behaviour. The force said it was reviewing footage from officers’ bodycams and would “look to make arrests wherever necessary”. Bulldozers arrived at the site in Hertfordshire on Thursday, followed by cars and caravans on Sunday A parish councillor, who wished to remain anonymous, claimed the travellers had …