Baby Falls Into Zoo's Gorilla Cage

Protests have erupted over the death of a 17-year-old silverback gorilla killed when a 4-year-old fell into the gorilla enclosure at the Cincinnati Zoo. SUBSCRIBE to ABC NEWS: https://www.youtube.com/ABCNews/ Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc GOOD MORNING AMERICA'S HOMEPAGE: https://gma.yahoo.com/