A spokesman for Cambridgeshire police said officers were called at 8.15am to a premises in Puddock Road, and the force remained at the scene throughout the day, with a cordon put in place. Cambridgeshire Fire and Rescue also confirmed its attendance. The explosion is believed to have taken place at a farm. Police said they have completed an investigation, and passed the incident onto the Health and Safety Executive. The spokesman added there are no suspicious circumstances.A spokesman for the East of England Ambulance Service said: We received a call at 8.15am to reports of an industrial incident on Puddock Road in Warboys. We dispatched a medical response car from Magpas, a rapid response vehicle, ambulance crew, ambulance officer, and co response unit from Cambridgeshire Fire and Rescue Service. Sadly nothing could be done for a man at the scene and he was pronounced dead. Our thoughts are with those involved at this time.A spokesman for the Health and Safety Executive said they are aware of the incident and are investigating.