NEW YORK (AP) — A gunman in a construction vest donned a gas mask, set off a smoke canister on a rush-hour subway train and shot at least 10 people Tuesday morning, authorities said. The shooter was at large after…

NEW YORK (AP) — A gunman in a construction vest donned a gas mask, set off a smoke canister on a rush-hour subway train and shot at least 10 people Tuesday morning, authorities said. The shooter was at large after…