A 16-year-old was arrested after he assaulted a motorist yesterday in Sheung Shui. The boy, named Yuen, was crossing San Wan Road near San Fung Avenue at about 9.15am when he was nearly hit by a car. After the driver, named Fung, 50, got out of the car, the teenager beat him with a torch, police said. The driver had minor injuries. The boy was released on HK$1,000 bail.