WASHINGTON (AFP) - US actor and comedian Tracy Morgan was in critical condition Saturday after a deadly, multi-vehicle accident early in the morning, US media reported.

Mr Morgan was rushed to the hospital following a New Jersey accident involving the limo bus he was traveling in plus two tractor-trailers and an SUV, among other vehicles, CNN reported, citing Sgt. Gregory William of New Jersey State Police.

The six-vehicle pile-up at around 1 am (1.00 pm Singapore time) killed one person, and four others were hospitalized. Mr Morgan was in intensive care, CNN added.

The former "Saturday Night Live" cast member also starred in the award-winning US sitcom "30 Rock", which ended after seven seasons early last year.

A spokesman for the Robert Wood Johnson University Hospital in New Brunswick, New Jersey, said three of the four patients hospitalized are in critical condition, CNN said.

Mr Morgan performed Friday night at Dover Downs Hotel & Casino in Dover, Delaware.