The driver of an Audi allegedly dragged a motorcycle rider on the car's bonnet for more than 3km after an argument in Pimpri-Chinchwad township of Pune district, police said on Tuesday. Hours after the incident on Sunday evening, police arrested the car driver, Kamlesh Patil (23), and his two associates, Hemant Mhalaskar (26) and Prathamesh Darade (22), who were with him in the high-end vehicle.