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The parents of a young boy who fell into the gorilla enclosure at the Cincinnati Zoo will not face charges.

The incident, which led to the fatal shooting of a 17-year-old male western lowland gorilla named Harambe, sparked outrage among many, who called for the parents to be charged with child endangerment or negligence.

On Monday, Hamilton County Prosecutor Joe Deters said that the boy's mother, Michelle Gregg, did not act in any way where she presented the child to harm. The boy's father was not present at the zoo.

"She had three other children with her and she turned her back," Deters said. "If anyone doesn’t believe a three-year-old cannot scamper off quickly, they have never had kids, because they can."

Deters said he was "taken aback" by some of the reaction to the incident, with people making a moral equivalence between a human's life and an animal's life.

The zoo plans to reopen its Gorilla World on Tuesday with a higher fence.

Watch some of the press conference above.

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