There was a bank robbery in the downtown financial. Just before closing time a man entered the Wall street branch of the Chase Manhattan Bank. He was carrying a shotgun and wearing a nylon stocking over his head. There were only a few customers in the bank at the time. He made them lie on the floor and forced a teller to put money into a sack. As the was leaving a security guard tried t ring the alarm. The robber shot him and the guard is now in St. Vincent't Hospital. Surgeons are trying to save his life. Last night the police arrested a man on Staten Island. The police are interrogating him.