Officials are still investigating what led to the attack, and a city councilman said no animals broke out of containment that day. (Video via TVNZ)

One visitor told the New Zealand Herald that shortly before the attack, he saw a female keeper open a gate to an outside access area for the tigers to go through but said he didn't see the attack happen.

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TVNZ reports the tiger that killed Kudeweh is an 11-year-old Sumatran tiger named Oz. He is currently being isolated, but the zoo has not said what will happen to him. (Video via Hamilton Zoo)

Kudeweh is the third New Zealand zookeeper to be killed by an animal in the past six years. Hamilton Zoo will remain closed until Thursday.

This video includes an image from Pseudopanax.