Jason Ray, the North Carolina student who performed as a mascot for the school's basketball team, died three days after he was struck by a car hours before an NCAA tournament game. He was 21.

Ray died Monday morning, said Steve Kirschner, the university's associate athletic director for communications.

Ray had been in critical condition Hackensack University Medical Center since the accident Friday afternoon. He was hit from behind while walking on a highway shoulder near his hotel in Fort Lee after going to a nearby convenience store.

Ray performed as UNC's ram mascot, Rameses. He was scheduled to graduate in May with a major in business administration and a minor in religion. He was in New Jersey for the men's game between North Carolina and Southern California.

No charges have been filed against he driver of the sport utility vehicle. Police said the driver stopped immediately to try to help Ray and called 911. Police also said the driver had a valid driver's license and did not appear to be under the influence of alcohol or drugs.