A gorilla was able to slip from her cage at a Kansas zoo after someone accidentally left a door open, but zoo officials say she never had access to public areas or visitors.

The city of Topeka says in a news release the gorilla, Tiffany, made it into a service area off her exhibit around 9:10 a.m. Friday.

The Topeka Capital-Journal reports zoo employees quickly lured the primate back into her enclosure, but not before she spilled a cup of chalk and opened a cassette player.

The gorilla was never harmed, and the zoo issued an all-clear at 9:30 a.m. The city says zoo management is investigating how the exhibit was left unsecured.

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Information from: The Topeka Capital-Journal