The youngest child, a 4-year-old boy, died after Wendy Tolbert allegedly stabbed him and his two siblings before setting the house on fire.

A 4-year-old boy died after a woman allegedly stabbed multiple people inside a Logan Square residence before setting the home on fire Friday morning, police said.

A woman was charged with stabbing three children, killing a 4-year-old boy, and setting a home on fire in Logan Square last week.