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Visitors at the San Diego Zoo in California were left in shock over the weekend after an animal went bananas.
A male gorilla charged his habitat, shattering one layer of the three-layer glass window.
Dramatic video shows the moment the western lowland gorilla stormed the tempered glass on Saturday.
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Reactions from the crowd can be heard in the background — with zoo visitors gasping.
Zoo officials confirmed the incident to the New York Post, noting it was their 10-year-old gorilla named Denny who was responsible.
The 10-year-old gorilla was in the enclosure with another animal and was not injured.
"It is common for male gorilla