Zoo Tiger Escapes, Kills Visitor
Two others mauled at San Francisco zoo before police shoot tiger dead
By Rob Quinn,  Newser Staff
Posted Dec 25, 2007 10:03 PM CST
San Francisco Zoo animal keeper Barbara Palmer, left, feeds Tatiana, a Siberian tiger in this Sept. 7, 2007 file photo in San Francisco. A tiger escaped its cage at the San Francisco Zoo on Tuesday Dec....   (Associated Press)
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(Newser) – A tiger escaped from its cage at the San Francisco zoo today and killed a visitor, the San Francisco Chronicle reports. Two other visitors were attacked during the rampage, but they survived. The extent of their injuries was not immediately known. Police shot the tiger dead as it attacked patrons of a zoo cafe. Officials aren't sure how the tiger escaped. 

Officials had first thought as many as four tigers were on the loose, but they later found three of them never left their pen in the center of the zoo. The attack comes a year after one of the zoo's Siberian tigers, Tatiana, mauled a keeper during a public feeding.