Detective Chief Inspector Dick Pearson said: "These deaths are being treated as unexplained. The full circumstances of this tragic work-related incident are being investigated by the police with the assistance of the Health and Safety Executive."
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A court has heard how 13 year old Alexander Worth was killed when a high-performance Ferrari F50 crashed on a farm track in Hampshire.
Monday evening's weather for the west of the region
Monday evening's weather for the east of the region