CNN  —  An American preacher who was taken hostage by armed men while preaching a sermon in a South African township last week has been rescued in a fierce gun battle with his kidnappers, police said Wednesday. Josh Sullivan, 45, was kidnapped last Thursday during an evening service in Motherwell, a township in Gqeberha, formerly known as Port Elizabeth, in South Africa’s Eastern Cape province, the Fellowship Baptist Church said . The South African Police Service said officers launched a rescue