Driver dies during practice session in Daytona

A driver was killed and a second driver hurt after an on-track incident during a practice session Saturday at Daytona International Speedway, officials have confirmed. However, what actually happened on the track isn't known yet. Daytona International Speedway confirmed Saturday in a statement that there was an "on-track incident" during an Audi Club track rental session that resulted in one driver's death and a second driver hurt.