A Chicago woman is now facing charges after her 4-year-old son was killed and two other children were injured in a stabbing and arson fire on the Northwest Side, police said.

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.

Police say a woman stabbed three children, killing a 4-year-old boy, after she took away their phones and locked the doors to the home Friday morning in the 3600 block of West Palmer Street. The woman has been arrested,