Witness tried to grab boy before he fell into gorilla exhibit Visitors pass outside the shuttered Gorilla World exhibit at the Cincinnati Zoo & Botanical Garden, Sunday, May 29, 2016, in Cincinnati. On Saturday, a special zoo response team shot and killed Harambe, a 17-year-old gorilla, that grabbed and dragged a 4-year-old boy who fell into the gorilla exhibit moat. Authorities said the boy is expected to recover. He was taken to Cincinnati Children’s Hospital Medical Center. (AP Photo/John Minchillo) (John Minchillo)