South Koreans head to the polls to vote for a new president, in what's become a tight race to lead the country.<br/> <br />The election pits Park Geun-hye, the daughter of a former military ruler, against Moon Jae-in, a man jailed for political activism under Park's father.<br/> <br />Park, who cast her ballot in Seoul, is running as the ruling party candidate.<br/> <br />She has a narrow lead in polls and will become South Korea's first female leader if voting goes her way.<br/> <br />But she faces fierce competition from her left-of-centre rival.<br/> <br />Moon is a former human rights lawyer, who's urged disillusioned South Koreans to vote for change.<br/> <br />Analysts expect a close result for the front-runners, who are separated by just 0.5 percent in some polls.<br/> <br />Just an hour after polling opened and more than 1.1 million people had already cast votes.<br/> <br />Exit polls will be announced later this evening as the ballot closes at 6 p.m local time (0900 GMT).
