By MacDonald Dzirutwe HARARE (Reuters) - After the killing of Zimbabwe's most famous lion by an American tourist, a second lion has been poached by a foreign visitor, a source at the national parks agency told Reuters on Saturday. The parks authority has not confirmed the incident, but on Saturday it imposed an indefinite ban on big game hunting outside the national park from which Cecil, a rare black-maned lion, was lured before being killed on July 1. "Hunting of lions, leopards and elephant in areas outside of Hwange National Park has been suspended with immediate effect," Edison Chidziya, head of the parks authority, said in a statement. He added that a man from a... More