A tour bus carrying country star Toby Keith's band and crew members caught on fire early Monday morning. According to TheBoot.com, the blaze broke out around 4:45 a.m. on Interstate 65 in Indiana following a show in Chicago. The bus was said to be en route to Nashville at the time. The country music Web site reported it took crews 25 minutes to extinguish the fire. No injuries were reported. Officials said the damage to the bus is estimated to be around $250,000. Keith was not on board the bus. Keith is scheduled to perform on Saturday in Oklahoma for his Oklahoma Twister Relief concert. *The Boot.com contributed to this report.