India, May 23 -- Legendary NASCAR driver Kyle Busch passed away Thursday at the age of 41. According to a medical evaluation released Saturday, Busch died after severe pneumonia progressed into sepsis, leading to rapid complications.

Dakota Hunter, vice president of Kyle Busch Companies, said the family received the official medical findings on Saturday, according to ESPN.

"The medical evaluation provided to the Busch Family concluded that severe pneumonia progressed into sepsis, resulting in rapid and overwhelming associated complications," the family said in a statement. "The Family asks for continued understanding and privacy during this difficult time."

On Thursday, Busch's family had announced that he was hospitalized following a ...