Rioting erupted in the Zambian capital Sunday after President Levy Mwanawasa surged ahead in presidential polls and his principal rival slipped into third place. The official Electoral Commission said that Mwanawasa had captured 39 percent of the votes counted so far, ahead of United Democratic Alliance leader Hichilema Haikande with 30 percent, and Michael Sata _ who had been seen as the main rival _ with 28 percent. Full Story