Crowds of people wrapped up against the bitter January cold clutch signs emblazoned with the slogan “Stop the Steal,” wave US flags, and don red MAGA-like hats.

Lawyers for impeached South Korean President Yoon Suk Yeol are denouncing efforts to detain him over his short-lived imposition of martial law, while the country's acting leader expressed concern over a possible clash between law enforcement agents and presidential security personnel.

Hundreds of people in support of impeached South Korean President Yoon Suk Yeol and those calling for his immediate arrest rallied near the Presidential residence on Wednesday.

Impeached South Korean President Yoon Suk Yeol remained defiantly inside his residence resisting arrest for a third day on Thursday, after vowing to "fight" authorities seeking to question him over his failed martial law bid.

South Korea’s President Yoon Suk Yeol again declined to appear for questioning by investigators over his martial law declaration as the embattled leader seeks to first defend himself at an impeachment trial.

Protesters have thronged the official residence of impeached President Yoon Suk Yeol, where officials trying to arrest him were blocked by security guards.