I was shooting at Lead Valley a couple of months ago and a fire started on the back side of the berm next to me. Luckily the guys that run the range got a handle on it before it got out of hand. Not sure how it started. Especially on the back of the berm. Nobody was shooting any tracer or dragon's breath. Couple of people were shooting steel. Bullets do weird stuff. Of course sometimes people do weird stuff as well.

Last time I was at an unmonitored range a kid put a little bottle of tanerite in a pumpkin and bounced pumpkin shrapnel off everyone's cars and trucks. Dented a couple.