As of this writing, University of Nebraska head coach Bo Pelini is resting comfortably in a Lincoln, Nebraska hospital after being taken from the stadium to the hospital via ambulance.
The Lincoln Journal-Star reports the 911 call at the stadium said Pelini was suffering from "Flu-Like Symptoms" and that Pelini's family was rushed away from the stadium early in the 3rd quarter of Saturday's game vs. Arkansas State.
He told ESPN during his halftime interview that he wasn't feeling well, but was O.K.
By the way, Nebraska won the game 42-13.
Read the Journal Star story RIGHT HERE
For what it is worth, Nebraska A.D Tom Osborne relayed that he was told Pelini would be fine and just needed some rest. The school released a statement from Pelini later saying "He would be at practice on Sunday."
Since it doesn't appear (Yet) that there is video of Pelini leaving via ambulance, KETV provides us with video of Osborne addressing the media after the game: