German zoo attributes lion attack to injured keeper’s error

BERLIN (AP) — A zoo in northern Germany says it appears a keeper failed to follow the “golden rule” of checking to see if lions were inside their enclosure before he entered it and was mauled.
A spokeswoman for Serengeti Park said Sunday an investigation attributed the Saturday attack to “human error,” though it wasn’t clear why the experienced 24-year-old keeper hadn’t followed procedure.
Asta Knoth said he suffered “many deep bite wounds” f