Kyle Busch 911 call reveals driver was coughing up blood, struggling to breathe on bathroom floor

NASCAR driver Kyle Busch, a two-time Cup champion and 41-year-old racing legend, died Thursday following a brief hospitalization after collapsing in a race simulator. A 911 call revealed Busch was experiencing severe symptoms including coughing up blood, shortness of breath, and a high fever while on a bathroom floor. His death marks the second major tragedy for NASCAR in six months.