First responders rushed to the scene of a fatal crash in the town of Dayton early Saturday morning. Both vehicles involved in the crash on State Highway 22 were on fire when rescuers arrived. The sheriff’s office says it looks like a pickup truck was southbound on Highway 22 when it crossed the center line about a quarter mile south of Rural Road and slammed head on into a northbound semi. It happened about a quarter to three in the morning. Waupaca firefighters and the Waupaca County Hazmat team assisted at the scene.The driver of the pickup truck was killed in the crash. The semi driver was not injured.