Gorilla almost broke it's glass enclosure when a little girl mimicked it by beating her hand on her chest

A sweet family moment during a day out to a Nebraska zoo took a terrifying turn when an adult gorilla, top left, took against a toddler beating her chest at him from behind the glass. A video, which was uploaded hours after the incident, reveals how the Silverback launched himself at the glass, right, and hit it with such force it cracked - sending the family, whose terrified faces were captured on film, bottom left, running for safety.