I had an internal explosion of my gas grill. I apparently forgot to turn the gas off so it filled the chambers under the grill plates and when I went to light i

I had an internal explosion of my gas grill. I apparently forgot to turn the gas off so it filled the chambers under the grill plates and when I went to light it, it sent the top and the grill plates through the lanai and 40ft into the air. I lost my eyebrows for a few months.