He was referring to two presidential aides who also were formally charged Sunday for allegedly helping Choi. "However, because of the president's impunity from prosecution stated in Article 84 of the constitution, we cannot indict the president. Lee Young-ryeol, chief prosecutor of the Seoul Central Prosecutors' Office, said President Park Geun-hye cannot be indicted due to constitutional immunity. South Korean protesters hold up candles during a rally calling for Park to step down in Seoul on Saturday. Auto giant Hyundai and telecommunications company KT were forced to contract $11 million US worth of their advertisements to Playground, an ad agency virtually run by Choi, Lee said.

Source: CBC News November 20, 2016 02:43 UTC