updated 01/23/2012 AT 1:00 PM ET
•originally published 01/23/2012 AT 7:30 AM ET
Tracy Morgan was rushed to hospital in Park City, Utah, on Sunday after collapsing at the Sundance Film Festival, according to reports.
The 30 Rock actor, 43, fell unconscious following the Creative Coalition Spotlight Awards dinner, where he accepted the Spotlight Initiative Award, according to the Hollywood Reporter. He was taken to Park City Medical Center.
“Superman ran into a little kryptonite. The high altitude in Utah shook up this kid from Brooklyn,” Morgan Tweeted on Monday. “Thank U 2 the hospital staff. Back at work 2morrow shooting 30 Rock. Holla at me!”