NASCAR champion Kyle Busch was heard gasping for breath and coughing up blood as colleagues made a frantic911 callafter he collapsed on a bathroom floor at a training facility in North Carolina, a day before his death at the age of41. The contents of the emergency call, which have now surfaced publicly, are adding to questions about thecircumstances and severity of his final illness.

The episode has prompted fresh scrutiny from fans and the wider motorsport community, as Busch had already been described as suffering from a 'severe illness' that led to his hospitalisation. His family had announced he was undergoing treatment and would miss upcoming races, but they have not disclosed a full medical explanation for his sudden collapse and death.

The911 audio, obtained and reported by multiple outlets, records a colleague describing a man at a racing-simulation facility in Concord who was short of breath, overheating, and fearful he might pass out. Throughout the call, the caller repeatedly stresses that the patient is 'awake' but clearly in distress.

The caller also mentions that the man is coughing up blood and lying on the bathroom floor inside the complex, while guiding emergency crews to a quick access route. The ambulance was requested to arrive without sirens, suggesting an attempt to keep the situation as low-key as possible while still seeking urgent medical help.

Reports indicate Busch was at the General Motors Charlotte Technical Center to test a racing simulator when he began feeling unwell and made his way to a nearby bathroom. There he was found by colleagues, who quickly called emergency services as his breathing deteriorated.

By the time paramedics reached him, the two-time NASCAR Cup Series champion was still conscious but struggling so badly that he had to be taken to a Charlotte hospital. He later became unresponsive in hospital and died the following day, intensifying speculation about the underlying condition that led to his rapid deterioration.

Busch's family issued a brief statement on social media, confirming he had been diagnosed with a 'serious illness' and was receiving treatment, then later announcing hisdeath.

They have asked for privacy and declined to discuss his medical history in detail, leaving many questions about his exact diagnosis unanswered.

NASCAR and Richard Childress Racing both issued tributes, characterising Busch as a fierce competitor whose impact on the sport went far beyond his two titles and long list of wins.

Officials have not contradicted the family's description of a severe illness, instead focusing on his legacy rather than the specifics of his final medical episode.

Source: International Business Times UK