By Joyce Zhou, Minwoo Park and Eduardo Baptista SEOUL (Reuters) -As impeached South Korean President Yoon Suk Yeol fights for his political survival, the embattled leader has found an ally among young conservative men.

For weeks, impeached President Yoon Suk Yeol has remained in his compound and refused to respond to detention and search warrants.

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

A South Korean court has reissued an arrest warrant for President Yoon Suk Yeol. He faces impeachment over an alleged coup attempt involving the declaration of martial law in the country, reports Reuters.

Lawyers of impeached South Korean President Yoon Suk Yeol and the Corruption Investigation Office for High-Ranking Officials (CIO) probing his short-lived martial law decree on Dec. 3 are at odds over whether the CIO has the authority to arrest and pursue criminal charges against him.

South Korea's suspended president Yoon Suk Yeol remains defiant in his newly-fortified residence, as investigators seek to extend the arrest warrant over his short-lived martial law order. The current warrant - which was due to expire at midnight local time (15:00 GMT) - was issued after Yoon ignored multiple summonses to appear for questioning on insurrection and abuse of power charges.

Thousands braved heavy snow in Seoul on Sunday to rally for and against arresting impeached President Yoon Suk Yeol, as South Korea's political crisis appeared headed toward another high-stakes confrontation.

With the arrest warrant for impeached President Yoon Suk Yeol expiring on Monday, the South Korean anti-corruption agency asked police to detain the embattled leader.

By Hyonhee Shin and Ju-min Park SEOUL (Reuters) -Behind rows of barbed wire and a small army of personal security, impeached South Korean President Yoon Suk Yeol remained holed up in his sprawling hillside villa with his wife,