Johannesburg - A police officer was shot and wounded by robbers in Auckland Park on Wednesday, Johannesburg police said.The 35-year-old sergeant was shot in the hand in the Kingston Frost Park around 11:30, police spokesperson Doniah Mothutsane said.The officer, who was driving in the area, stopped to attend to an armed robbery. He ran after the robbers, who shot at him. He was taken to Milpark hospital."No one has been arrested yet. Police are investigating attempted murder," said Mothutsane.