NASCAR champ Kyle Busch hospitalized with undisclosed but 'severe illness,' will miss Coca-Cola 600

Two-time NASCAR Cup Series champion Kyle Busch will miss this weekend's Coca-Cola 600 because of an undisclosed illness that put him in the hospital earlier this week.

The announcement came from Busch's family via his official social media account.

"Kyle has experienced a severe illness resulting in hospitalization. He is currently undergoing treatment and will not compete in any of his scheduled activities this weekend at Charlotte Motor Speedway. We ask for understanding and privacy...