Kyle Busch died of severe pneumonia, family says

NASCAR legend Kyle Busch died of severe pneumonia, his family said Saturday

NASCAR legend Kyle Busch died of severe pneumonia, his family said Saturday.

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The 41-year-old driver died Thursday after he was hospitalized with a “severe illness,” his family said. In a new statement, they said Busch died of pneumonia that progressed “into sepsis, resulting in rapid and overwhelming associated complications.”

On Wednesday, he was coughing up blood and lying on a bathroom floor at a General Motors training facility in North Carolina, according to a 911 call obtained by NBC News.