A Saturday at the Cincinnati Zoo in 2016 quickly turned into chaos when a boy slipped into a gorilla enclosure and a 450-lb. ape named Harambe began dragging him. To save the boy’s life, zoo ...

The decision to shoot and kill Harambe in 2016 after he started dragging a young boy who fell into his enclosure sparked grief, outrage and plenty of memes ...

Dramatic 911 calls from the mother whose small child had fallen into the gorilla enclosure at the Cincinnati Zoo have been released.

ABC News has obtained new video of a young boy who crawled into a gorilla enclosure at the Cincinnati Zoo. We warn you - some of the images in the video may be disturbing to watch.

The 400-pound gorilla was killed by Cincinnati Zoo staff on May 28, 2016, after a 3-year-old child fell into the gorilla enclosure.

The gorilla, a 17-year-old silverback named Harambe, was shot and killed by zookeepers to rescue the boy. Zoo officials are now looking into just how the little boy made it into the enclosure.