The incident took place at the Shonan Animal Production facility in Chiba Prefecture, some 50km from Tokyo, the local emergency services said, as cited by Kyodo news.
The company keeps animals for TV productions and film projects, according to the facility’s website.
It’s not yet clear what provoked the animal. The 10-year-old male was kept in a cage and was chained when the attack happened.
The animal suddenly became aggressive after three caretakers entered his cage and started washing it ahead of a photo shoot or filming, police reports said, as cited by local media.
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As a result, a 55-year-old woman and a 28-year-old man both received head and leg injuries.
