Gu Gu vs. drunkard...

After drinking several pitchers of beer, 35-year old
Zhang Xinyan made his way to the Beijing Zoo and decided he wanted to give the panda Gu Gu a hug. Unfortunately, Gu Gu was not in a hugging mood.
"When I was in there, the panda was eating bamboo. Then, it seemed some people shouted, which startled the panda. He rushed over to bite my leg," Zhang said. Clearly not liking this intrusion of his personal space, Gu Gu proceeded to bit Zhang's right leg. Zhang pushed back and of course chaos ensued. You can read more about it here.