Former president Chun Doo-hwan, who ruled South Korea in the 1980s as a military dictator, was sentenced to death for leading an insurrection, though this was later reduced to life imprisonment. His ally and successor Roh Tae-woo was handed a lengthy jail term for his part in the insurrection. Both were eventually pardoned.

A South Korean court sentenced former President Yoon Suk Yeol to five years in prison Friday in the first verdict from eight criminal trials over the martial law debacle that forced him out of office ...

The Seoul Central District Court found Yoon guilty of mobilising the presidential security service to block authorities from executing an arrest warrant to investigate him for his martial law declarat...