South Korean President Yoon Suk Yeol could try to impose martial law again or undermine constitutional institutions should he be reinstated, lawyers for parliament argued on Tuesday as his impeachment trial entered its final phase.

SEOUL -- South Korea's constitutional court on Tuesday held the ninth hearing of President Yoon Suk-yeol's impeachment trial. Legal representatives of Yoon and the National Assembly summarized their respective arguments so far during the hearing, while the court examined evidence that was adopted but not yet reviewed.

South Korea's ousted President Yoon Seok Yeol faces potentially his last impeachment hearing on Thursday over his failed martial law bid before

The Constitutional Court decided Tuesday to proceed with its 10th hearing of President Yoon Suk Yeol's impeachment trial as planned, increasing the likelihood that a ruling could be reached by the end of next month.

Hearing of Yoon's impeachment trial The Constitutional Court's eight justices -- (from L to R, rear) Chung Kye-sun, Kim Bok-hyeong, Jung Jung-mi, Lee Mi-son, Moon Hyung-bae, Kim Hyung-du, Cheong Hyung-sik and Cho Han-chang -- are seated in their courtroom in Seoul on Feb.