A man is feared drowned when a car with five occupants plunged into the sea at Bagan Dalam wharf at 12.45pm.
Port workers managed to rescue the other four, one of whom has been admitted to the intensive care unit of the Sebarang Jaya hospital. The other three were reportedly unhurt.
A search has been launched for the missing man, believed to be the driver.
Police are investigating why the car was in the wharf which is a restricted area.