South Korea's impeached President Yoon Suk Yeol refused on Monday to be questioned by investigators under a probe into whether he committed insurrection, as dozens of his supporters faced arrest over a violent rampage on a court building.

South Korea's impeached president, Yoon Suk Yeol, was formally arrested early Sunday, days after being apprehended at his presidential compound in Seoul, as he faces possible imprisonment over his ill-fated declaration of martial law last month.

A court in Seoul has extended the time South Korea's impeached president Yoon Suk Yeol will be detained over his botched attempt to impose martial law in the country last month. Citing concerns Yoon could destroy evidence if released,