An explosion at a Hillsboro auto repair business left three people dead and one injured.

Paint Creek Joint EMS & Fire District Chief David Manning told WLWT the cause of the 4 p.m. blast at Jimbo's Auto Repair remains under investigation.  

The person injured was in stable conditon Tuesday night. 

Manning said crews felt the force of the explosion at their firehouse four blocks away. 

Officials have not identifed the victims, who were transported to the Montgomery County Coroner's Office for autopsies.