A Bridgeport city bus struck a wall and multiple cars Tuesday night outside the Metro-North Bridgeport Train Station.
Bridgeport police and fire crews responded to the 500 block of Water Street around 7:45 p.m.
Four people were taken to hospitals. It was not immediately clear how many passengers, if any, were on the bus at the time of the crash.
Train service was not impacted by the crash.
The surrounding roads were closed as of Tuesday evening.