Police were called at around 12.10pm today (Wednesday August 12) with reports of violence at Parkfield Caravan Site, Sandbank, at Wisbech St Mary. A fire broke out at a caravan site in Wisbech St Mary (Image: Victoria Brown)Two caravans and two outbuildings were found to be on fire. Police officers attended along with firefighters from Wisbech and Manea, who extinguished the blaze. A police spokesperson said: "A crime has been raised for arson and an investigation into the matter is ongoing."