GARY, Ind. (AP) — A central Indiana prosecutor says he believes the driver of a Gary church bus that crashed on an interstate killing a 6-year-old and sending 11 others to hospitals fell asleep while driving.

Hancock County Prosecutor Brent Eaton tells the Post Tribune of Merrillville that he doesn’t believe the bus had any mechanical problems. Fifty-three-year-old Charles Goodman was charged Thursday with felony reckless homicide and driving with a suspended license and a warrant was issued for his arrest. He remained at Indiana University Health Methodist Hospital in Indianapolis on Saturday, but the hospital would not disclose his condition, citing privacy laws.

The bus from St. Jude Family Worship Center in Gary overturned Tuesday along Interstate 70 about 20 miles east of Indianapolis. The crash killed 6-year-old Jacob Williams of Gary.