A newspaper report says employees operating a hydraulic door at San Francisco Zoo that crushed a baby gorilla were supposed to keep a hand on the stop button at all times.

The warning was included on a sign near the gorilla door, according to the San Francisco Chronicle, which obtained a photo of the sign through a public records request.

SAN FRANCISCO – A newspaper report says employees operating a hydraulic door at San Francisco Zoo that crushed a baby gorilla were supposed to keep a hand on the stop button at all times. The ...

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SAN FRANCISCO (AP) — Employees operating a hydraulic door at the San Francisco Zoo that crushed a baby gorilla were supposed to keep a hand on a stop button at all times, a newspaper reported… ...

Employees operating a hydraulic door that crushed a baby gorilla at the San Francisco Zoo were supposed to keep one hand on the stop button at all times. 24/7 Live Los Angeles Orange County Inland ...

Employees operating a hydraulic door at the San Francisco Zoo that crushed a baby gorilla were supposed to keep a hand on a stop button at all times, a newspaper reported Wednesday.