Supporters of one of the candidates in South Korean presidential election
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South Korea presidential poll: Calls to reform Chaebols

South Korea will vote for a new president on Wednesday. The election comes at a difficult time for Asia's fourth-largest economy.

Growth has been slowing, exports weakening, and youth unemployment rising.

However, it is not just the politicians who are getting the blame. So are South Korea's big family-owned conglomerates, the Chaebols.

Calls to reform them have dominated the debate this time around.

Lucy Williamson reports from Seoul.