Sawyer Jones kept asking if the tigers could get out of their enclosure. The 3-year-old boy was with his family at the San Francisco Zoo on Tuesday to enjoy a brisk holiday morning with the animals.
Sawyer's father, Matthew Jones, said he was sure the tigers couldn't escape from their zoo exhibit. He never could have guessed it would really happen. Just a day after a tiger mauled one person to death and injured two others at the zoo, the elder Jones, of Menlo Park, California, was in shock.
"I assured him they couldn't," Matthew Jones said. "I felt no reason for concern. I'm very curious to find out how the animal got out." 
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All About Zoos and Aquariums • Endangered Species