Article Photos: Wild dogs kill 2-year-old boy at Pa. zoo exhibit 1/7

  This photo taken Sunday, Nov. 4, 2012 shows the exterior view of the front entrance of the Pittsburgh Zoo, where zoo officials say a young boy was killed after he fell into the exhibit that was home to a pack of African painted dogs, who pounced on the boy and mauled him. Itâs not clear whether he died from the fall or the attack, said Barbara Baker, president and CEO of the Pittsburgh Zoo & PPG Aquarium. (AP Photo/John Heller)