Apparently walker and his buddy had been on a 20 minute drive as walker hadn't been in the car yet, they were 500 yards from the shop on their way back when it happened.Walker best buddy was one of the first on the scene, and he tried to put the fire out with an extinguisher but failed, even though it appeared to him they were both dead. The firefighters turned up and pulled his buddy away, when his buddy punched one of them and was arrested.all per tmz