(KMOV) -- The tour bus for a Christian rock band scheduled to play in the St. Louis area on Saturday was involved in a deadly crash in Indiana.
Two passengers in a car were killed, the pregnant driver is in critical condition, but her unborn child died in the crash.
Band members from the group Mercy Me asked for prayers for the victims, in a message on their website.
No one with the band was hurt.
Mercy Me was supposed to play at Six Flags in Eureka, Mo. on Saturday, but canceled the concert.
The concert has been rescheduled for September 5, 2009.
All concert tickets will be honored on that date.