( CNN ) -- Five occupants of a church van were killed when it crashed Monday morning in Vandalia , Illinois , according to Deputy Shawn Carter with the Fayette County Sheriff 's Office . According to a preliminary report from the Illinois State Police , the 15-passenger van was headed east on Interstate 70 when it veered off the roadway and flipped several times . Several occupants were ejected from the van . There were 11 men in the one-vehicle crash . The other six passengers were transported to hospitals . Their conditions are unknown . Why the van left the highway is still under investigation , the state police said . CNN 's Carma Hassan contributed to this report .
Church van was headed east on I-70 when it went off the roadway . The vehicle hit a guardrail and flipped over, then came to rest upside down in a ditch about 100 yards from where he had been driving. Five people were killed , the other six were injured .