An 80-year-old American tourist was killed after an "aggressive" bull elephant attacked her vehicle during a game drive in Zambia, the safari operator said. The incident took place Saturday morning at Kafue National Park in Zambia, a police spokesperson said. The 80-year-old woman was injured during the "unexpected" incident and transferred to a hospital in South Africa, where she later died. Read more: https://abcnews.visitlink.me/eMbVbZ | ABC News