A 13-month old boy from Normal is at a Peoria Hospital after police say he was abused by his mother's boyfriend. Arron Benschneider, 22 from Normal, was charged Monday with one count of aggravated battery of a child.

Normal Police were notified last Thursday by personnel at the Peoria hospital about some suspicious injuries to the baby boy.

"We're at this point trying to determine what injuries were the result of the immediate contact. The incident that took place most recently. There are injuries on the child that appear to be over a period of time, weeks maybe even months ago. At this point, that's still under investigation," Normal Police Chief Kent Crutcher says.

Police say Benschneider lived with the boy and his mother in a home on the 100 block of West Shelbourne.

Benschneider is being held in the McLean County Jail on $200,000 bond.

Police describe the boy's injuries as significant but not life threatening. DCFS is also investigating.

Meanwhile, police have arrested a Tinley Park man for aggravated criminal sexual assault after an alleged incident at a Normal hotel two weekends ago. William Gustafson, 37, also faces kidnapping and battery charges.

Police say Gustafson and the male victim came to Normal for the weekend. Gustafson was picked up in Kansas and is being transferred back to McLean County to be officially charged.