Will President Yoon's arrest be revoked? He will attend criminal and impeachment hearings today = South Korea

South Korean President Yoon Seok-yeol, who was arrested and indicted on suspicion of masterminding a civil unrest, will face a criminal trial and impeachment hearing today (20th).
According to the legal profession on the 20th, the 25th Criminal Division of the Seoul Central District Court (Chief Judge Ji Ki-yeon)
The first pretrial hearing for President Yoon and the hearing to decide whether to revoke his detention will be held at 10 a.m. Pretrial hearings are procedures for sorting out the issues and evidence in a case prior to a full trial.
President Yoon, in collusion with former Minister of National Defense Kim Young-hyun and others, has been threatening to impose a state of emergency on the Korean peninsula, even though there were no signs of war, incident, or a similar national emergency.
On the 26th of last month, he was arrested and indicted on charges of declaring an unconstitutional and illegal emergency martial law without first taking into account the fact that he had been arrested and detained illegally. President Yoon's side stated, "He was indicted after the detention period had expired, and is therefore in an illegal state of arrest and detention."
The court, concerned about the large number of people gathering, strengthened security measures, including completely banning vehicles from entering and exiting the building and closing off some entrances and exits.
The 10th hearing of the impeachment trial will be held at the Constitutional Court from 3 p.m. Prime Minister Han Deok-soo (3 p.m.), Hong Jang-won (4 p.m.),
Witness testimony is scheduled for the former first deputy director of the National Intelligence Service (5 p.m.) and former National Police Agency Commissioner General Cho Jo-ho (7 p.m.). The Constitutional Court is set to conclude the impeachment trial arguments with the testimony of this day.
After hearing the closing arguments of both sides and President Yoon's final statement, the government is expected to make a final decision as early as early to mid-March.