(Reuters) - An 18-year-old teen was fatally shot by police at a gas station late on Tuesday in a St. Louis suburb (Berkeley Missouri), police and local media said. A police officer shot and killed a man who drew a handgun and pointed it at him as the officer approached him and another man at a gas station in the St. Louis-area suburb of Berkeley, St. Louis County Police Department spokesman Brian Schellman said. (dispatch from Reuters at 0300 USA central time)