An infant locked in a vehicle Thursday afternoon was saved by a bystander who used a ball bat to break one of the windows.

Kettering police Lt. William Karolyi said the mom inadvertently locked her keys in her vehicle in a parking lot after loading groceries and her 2-month-old.

She called police, who arrived within 4 minutes, he said.

A Kettering officer went to the police cruiser to get a tool used to break vehicle windows. But before the officer returned, a bystander who had parked nearby got a baseball bat from his vehicle and used it to bust up one of the windows.

Karolyi said the baby, having been in the car about 10 minutes, was unresponsive but began crying when some water was used to rouse the child.

The mom won't be charged. Karolyi said. The child was taken to Dayton Children's Hospital as a precaution.