Emergency services at the scene of an industrial unit fireA major incident was declared and residents evacuated after fertiliser exploded during a blaze which engulfed industrial units and a field in Essex. A number of industrial units and a field caught alight, and while fire crews were on scene fertiliser inside one of the units exploded – which people across the county reported hearing and seeing, area manager Dave Bond said. Nearby residents have been evacuated while the fire is being extinguished and everyone at the scene is safe, he added. “A number of industrial units have caught alight as well as a field and crews have been working to prevent the fire spreading to nearby houses. “While on the scene, fertiliser inside one of the units exploded and residents across the county have reported hearing and feeling it.