A giant panda at Beijing Zoo mauled an intruder who climbed into its enclosure, state media said Thursday. The 110-kg panda, Gugu, bit the legs of the man who climbed into its pen to retrieve a toy dropped by his young son Wednesday, the Beijing Morning Post said. The animal's attack on Zhang, a tourist from the eastern province of Anhui, was its third reported in the last three years. In 2007, a 15-year-old boy suffered serious leg injuries after Gugu mauled him when he scaled a fence in a attempt to cuddle the panda. Gugu also bit and seriously...