Group 1 - Former South Korean President Yoon Suk-yeol's legal team announced that he will attend the court hearing on September 26 regarding the emergency martial law incident from December last year [1] - Yoon has previously missed 10 court hearings related to the martial law incident, citing health issues [1] - The special prosecutor's team has charged Yoon with insurrection, and the upcoming hearing will address accusations of abuse of power and obstruction of rights [1] Group 2 - Yoon Suk-yeol was arrested for the first time on January 15 this year, marking him as the first sitting president in South Korea's constitutional history to be arrested [2] - Following his arrest, the Constitutional Court upheld his impeachment on April 4, resulting in his removal from the presidency [2] - The special prosecutor's team filed charges against Yoon on July 19 [2]