Kolkata: An Indian Air Force drill instructor practicing for the upcoming Republic Day parade here was killed by a speeding car early on Wednesday, officials said. The accident occurred at the Red Road where the rehearsal for the Republic Day parade was on. "A speeding Audi car knocked down Corporal Abhimanyu Gaud, who was supervising the parade, before hitting a barricade and coming to a halt. He was declared dead at a hospital," a defence spokesperson said. The car driver escaped the spot. Police seized the car and were trying to locate its owner. "A manhunt has been launched to track and arrest the driver. We are investigating how the car broke the security barrier and entered the practice zone," said city police commissioner Surajit Kar Purakayastha.