Gunman sets off smoke bomb, shoots 11 in rush-hour New York subway car

Preliminary information indicates the gunman who fled was wearing a construction vest and a gas mask.

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 and described as dangerous after leaving wounded commuters bleeding on a Brooklyn platform while others ran screaming.

Five people were in critical but condition but expected to survive. At least 16 in all were injured in some way in the attack that began on a subway train that pulled into the 36th Street station in the borough's Sunset Park neighborhood.

Police Commissioner Keechant Sewell said the attack