The ruling, which could see Park Geun-hye face a corruption trial, sparks protests in which two die.| BBC News
Lee Jae-Yong again denied wrongdoing in a case which led to the impeachment of South Korea's president.| BBC News
The heir to the South Korean commercial giant jailed for five years.| BBC News
The BBC explains the corruption scandal that has rocked South Korea and toppled its president.| BBC News