 News Center 7's Letitia Perry, if you know anything, call Dayton Police. Back to Warren County where firefighters were called to an explosion at a Duke Energy substation. This happened around 7 Friday morning in Mainville. A spokesperson for Duke Energy told us equipment failure caused the fire. Nobody lost power as a result. Democracy 2024. President Biden was in Wisconsin Friday and reassured voters that he's not going anywhere. What's Joe going to do? Is he going to stay in the race? Is he going to drop out? What's he going to do?