Comedian Tracy Morgan is receiving "excellent care" from doctors at a New Jersey hospital, but remains in critical condition following a fatal car crash early on Saturday morning (07Jun14), according to the star's representative.

The 30 Rock actor, 45, was a passenger in a limo bus which was involved in a six-vehicle pile-up in Cranbury as he made his way back to his New Jersey home following a stand-up gig in Dover, Delaware on Friday night (06Jun14).

Authorities have confirmed that Morgan's comedy writer, James MCNair, a passenger onboard the luxury vehicle, died in the accident, while three others, including the actor and his assistant Jeff Millea, are in intensive care and one person is in fair condition.

A statement issued by his representative reads: "Tracy remains in critical condition at Robert Wood Johnson Hospital. He sustained these injuries in an accident that occurred early this morning as one of several passengers in a chauffeured Suv returning from a tour date in Delaware.

"His family is now with him and he is receiving excellent care. We don't anticipate much of a change in his condition today but will provide a further update once more information becomes available."

New Jersey State Police reveal two tractor trailers, two cars and one Suv (Sports Utility Vehicle) were involved in the horrific accident, although the cause of the crash is still under investigation.

Meanwhile, a host of celebrities have taken to to share their prayers for the actor.

His 30 Rock co-star Alec Baldwin retweeted one fan's message of condolence, and simply added the hashtag "PrayForTracyMorgan", while actress Sarah Michelle Gellar writes, "@RealTracyMorgan My thoughts and prayers are with you and your family. Please get well soon."

Funnywoman Roseanne Barr posts, "Tracy Morgan is a comic genius and I hope he will recover from the injuries received in a car crash! We love U Tracy (sic)!!", and his fellow Saturday Night Live alum Rachel Dratch tweets, "Shocked to wake up and read that @RealTracyMorgan is injured. Love to Tracy and wishing him strength."

Singer Mary J. Blige writes, "I send angels and prayers to Tracy Morgan. Pls (please) hang in there", and hip-hop star Questlove adds, "Strength & Speedy Recovery to @RealTracyMorgan who survived a massive car crash this morn (sic).".

Comedians Mike Epps and Eddie Griffin, director Jon Favreau, rapper Raekwon and actresses Alyssa Milano and Chloe Grace Moretz have also sent their well wishes to Morgan.