Fresh protest pushes defiant S. Korea president to resign

Up to half-a-million protestors were expected to take to the streets of Seoul on Saturday for the fourth week in a row, demanding President Park Geun-Hye resign over a corruption scandal. The weekly mass demonstrations -- among the largest seen in South Korea since the pro-democracy protests of the 1980s -- have provided a stark challenge to Park's authority, but the president has defied calls to step down. After claiming a turnout of around one million for last Saturday's protest, organisers sa