Kenya's president set fire to 15 tons of elephant tusks during World Wildlife Day Tuesday to discourage poaching and trade in ivory. Twenty-five years since ivory trade was banned, new demand from emerging markets threatens Africa's elephants and rhinos, President Uhuru Kenyatta said at the event. African countries are concerned about the scale and rate of the new threat to endangered wildlife species, he said. "Many of these tusks belonged to elephants which were wantonly slaughtered by criminals. We want future generations of Kenyans, Africans and the entire world to experience the majesty and beauty of these magnificent beasts. Poachers and their enablers will not have the last word," AP quoted Kenyatta as saying before setting a blaze an almost 10 feet high pile of huge elephant tusks doused with petrol.