SAN DIEGO (KGTV) -- A gorilla at the San Diego Zoo sprinted towards the viewing glass and cracked one layer of the three layers of tempered glass surrounding the Gorilla habitat Saturday afternoon.

A seemingly excited western lowland gorilla was striking a viewing window in his enclosure so hard the protective glass cracked. Video from the San Diego Zoo shows visitors getting a scare Saturday ...

A massive gorilla was seen charging at the wall of its enclosure at a California zoo, smashing a portion of a thick glass panel in front of horrified onlookers, shocking video captured. Denny, a ...