Dad-of-three David Fredericksen was recording his journey on a dashboard camera, or dashcam, as he cruised along an interstate highway near Gulfport, Mississippi.
Dashcams are popular among truck drivers, as they can be useful evidence in the event of an accident on the road. And on Monday (August 11), David's camera captured a shocking incident.
Directly ahead of the truck, a car slams head-on into articulated lorry and explodes in a ball of flames as it collides with the lorry's fuel tank.
Story continues after the video
In the terrifying aftermath of the explosion, a shocked David can be heard pondering what to do next. "Should we go out there and see if we can get them out of the car?"
"No. What are you gonna do?" warns his colleague in the passenger seat. "That dude's dead,"
"I've got a fire extinguisher," David replies, undaunted, and hurries out of the truck and towards the scene of the accident.
While other cars skid to a halt or attempt to dodge around the flaming wreckage, David approaches the crash site with his fire extinguisher.
With the doors jammed shut in the collision and the driver unable to move on account of a broken foot, the grandmother and her one-year-old granddaughter are trapped inside the burning vehicle.
With little regard for his own safety, he sets about tackling the flames and wrenching open the door to free the grandmother and baby.
His courage seems to inspire other drivers - including his colleague - who hurry across to help with his rescue efforts until emergency services personnel arrive on the scene soon after. Thanks to David's quick thinking and bravery, no-one in the car was seriously injured.
David's proud son Logan posted the footage to Youtube, where it was picked up by local news outlets, who quickly began hailing the veteran trucker as a hero.
"Thankfully my father had the presence of mind, bravery, and forethought of carrying a fire extinguisher, to be the first person on scene to risk his own life in order to possibly save another and to inspire others and lead them into taking action," David's son, Logan, said.
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