Kolkata: A Sub-Inspector was killed and three police personnel injured, two of them critically, after the vehicle they were travelling in hit a lorry at Ayushgram in East Burdwan on Monday night. The pilot car was returning to Birbhum after dropping Anubrata Mondol, president of the Trinamool Congress' Birbhum unit in Kolkata. Mondol's wife was admitted to a city nursing home and he had come to the city to visit her. In a bid to overtake another vehicle, the driver of the pilot car lost control and hit the lorry coming from the opposite direction. The front portion of the pilot car was completely smashed. Attracted by a loud noise, locals rushed to the spot and took out the police personnel who had been trapped inside the vehicle. The injured policemen were taken to Burdwan Medical College and Hospital where the SI, Dhanapati Saha, was declared brought dead while the three others have been admitted. The condition of two policemen is stated to be critical.