You can stop someone committing a forcible felony with deadly force ...
'Forcible felony' means treason, first degree murder, second degree murder, predatory criminal sexual assault of a child, aggravated criminal sexual assault, criminal sexual assault, robbery, burglary, residential burglary, aggravated arson, arson, aggravated kidnaping, kidnaping, aggravated battery resulting in great bodily harm or permanent disability or disfigurement and any other felony which involves the use or threat of physical force or violence against any individual."
light being lit on fire and burning to death from a Molotov cocktail
correct?