Similar thing happened to me a couple of years ago. Parents where at work and I had the responsibility of making dinner for my sister and I (was around 17 at the time). So I went ahead and made some spaghetti on the stove, but one of the handles was a bit finnicky and wouldn't light properly, so I tried a different one.

Skip ahead a few hours, Dad comes home and I hear my name being shouted from the garage. I come out from my room and I smell the strongest smell of gas ever. I soon realised I left the stove that wasn't working slightly on and it leaked gas throughout the kitchen and immediate rooms. and then I listened to a Nickelback album and almost died from ear cancer.