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A demonstrator sitting inside a tractor is surrounded by police officers during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

A demonstrator sitting inside a tractor is surrounded by police officers during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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Police officers stand guard as demonstrators hold yellow banners during a protest in front of the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye faces an impeachment vote this afternoon after lawmakers brought a 40-page measure accusing her of bribery, abuse of power and violating her constitutional duties before the National Assembly. Photographer: SeongJoon Cho/Bloomberg via Getty Images

Police officers stand guard as demonstrators hold yellow banners during a protest in front of the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye faces an impeachment vote this afternoon after lawmakers brought a 40-page measure accusing her of bribery, abuse of power and violating her constitutional duties before the National Assembly. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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Police officers in riot gear gather to block demonstrators during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

Police officers in riot gear gather to block demonstrators during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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Supporters of South Korean President Park Geun-hye wave the national flag as police officers stand guard during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. Park was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

Supporters of South Korean President Park Geun-hye wave the national flag as police officers stand guard during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. Park was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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A demonstrator holds a sign reading 'Out' during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images

A demonstrator holds a sign reading 'Out' during a protest outside the National Assembly building in Seoul, South Korea, on Friday, Dec. 9, 2016. South Korean President Park Geun-hye was impeached by parliament Friday over an influence-peddling scandal that has shaken Asia's fourth-largest economy and fueled public anger over ties between lawmakers and businesses. Photographer: SeongJoon Cho/Bloomberg via Getty Images