• Kyle Busch died from severe pneumonia that progressed to sepsis.
• Busch was a two-time NASCAR champion and won 234 races in his career.
• The 41-year-old passed away shortly after experiencing severe symptoms.

Kyle Busch died from severe pneumonia that progressed into sepsis, according to a statement from his family. The statement indicated that the illness resulted in "rapid and overwhelming associated complications." Busch, a two-time NASCAR champion, died at the age of 41 on Thursday, following a medical emergency while testing in a Chevrolet simulator, a day after he reported feeling unwell, according to CBS News, BBC, LA Times, and NPR.

Busch experienced symptoms including shortness of breath, overheating, and coughing up blood prior to his death. The family stated that he had reported feeling ill since a race at Watkins Glen on May 10, where he requested medical attention after finishing. NASCAR recognized Busch as a "generational talent" and remarked on his historic performance, noting his record of wins, according to CBS News, BBC, LA Times, and NPR.

During the emergency response, a caller reported Busch was "very hot" and feared he would pass out. The emergency call described his condition as critical, and he was quickly transported to a nearby hospital where he unfortunately succumbed to his health complications. In homage to Busch, all drivers scheduled to race in the upcoming event will sport a black No. 8 decal on their vehicles, as highlighted by CBS News, BBC, LA Times, and NPR.