6-year-old boy arrested for allegedly fatally stabbing 2-year-old brother in Joliet, Illinois.

A 6-year-old boy in Joliet, Illinois, has been arrested after allegedly fatally stabbing his 2-year-old brother with a kitchen knife. The incident occurred at their home on Fairway Drive, and the toddler was pronounced dead at a local hospital. Multiple adults were present at the time but not in the room where the stabbing happened. The investigation is ongoing, with the Department of Children and Family Services involved. The family is cooperating with authorities.