Kolkata: Three persons were killed and many others injured when a bus had a head-on-collision with a truck.The incident took place in Rejinagar area of Murshidabad on late Sunday night. According to police, the victims were returning home after attending a wedding at Jalalpur village in the same district. The bus was carrying the passengers to Mounpara village when a truck coming from the opposite direction hit the bus at Rejinagar. The truck driver fled the spot leaving his vehicle in the area. Some locals heard a loud thud in the night and rushed to the spot. They took part in the rescue operation before police reached the spot. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedThe villagers brought the injured victims out of the bus and rushed them to a nearby hospital. Eyewitnesses said injured victims were in a traumatised state when they were rescued. After being informed police reached the spot. The incident triggered traffic congestion in the area. Vehicular movement was restored after senior police officers removed the vehicles. It was said that the frontal portions of both the vehicles were damaged due to the impact of the accident. Also Read – Bose & Gandhi: More similar than apart, says Sugata BoseIt was learnt that the three injured victims were declared brought dead by the doctors while many others are still undergoing treatment at the hospital. Four injured victims are stated to be critical. Police have started a detailed probe into the incident and are yet to confirm the exact cause that might have led to the accident. According to the preliminary investigation, police suspect that both the vehicles were at a high speed at the time of the accident. The investigating officers are also examining the affected vehicles to find out the nature of the accident. Raids are being conducted to nab the accused driver.