MANCHESTER – A cab driver was set up for robbery early Saturday morning by two women and a man with scrap metal stacked in shopping carts, according to police.The 56-year-old Manchester Taxi driver, Morel Georges, was dispatched at 1 a.m. to Merrimack and Maple streets for a fare. When he arrived, two women in their 20s and an Asian or Hispanic man, also in his 20s, were waiting, standing next to three shopping carts containing scrap metal.They identified themselves as the cab's fares and started putting the metal into the trunk of the taxi. Suddenly, the man attacked the driver, hitting him in the face and knocking him to the ground. The robber grabbed the cash from the fares, which the driver had put in his shirt pocket, and then he and the women ran off, leaving behind the carts and the scrap metal.The driver had some swelling and bleeding near his mouth, police said.Anyone with information about the robbery is asked to call police at 668-8711. Anonymous tips for cash rewards may be made through Manchester Crimeline at 624-4040 or online at manchestercrimeline.org.