Smoke and soot are the product of incomplete combustion. These particles of unburnt fuel are carried upwards by flames and ...

Toledo Fire and Rescue Department also says they discovered graffiti and bullet holes inside the home, prompting them to call a fire investigator to the scene.

It has a unique construction with airflow coming from the bottom of the pit, and holes around the rim to divert the smoke. In practice, though, I was unimpressed with its fire burning. It took ...