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,

The case, involving an inquiry into a marine’s death, had stoked political tensions long before President Yoon Suk Yeol’s impeachment last month.

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

South Korean presidential security chief Park Chong-jun plans to appear for questioning by police on Friday, a spokesperson for the security service said. Investigators seeking to arrest South Korea's impeached President Yoon Suk Yeol for possible insurrection were blocked by his security staff in a six-hour standoff last week.

The support rate for South Korea’s main opposition that has been leading the impeachment campaign against President Yoon Suk Yeol dived, as investigators struggle to arrest the embattled leader.

Yoon Kab-keun, one of the lawyers representing South Korea's impeached President Yoon Suk Yeol, said on Thursday that Yoon was staying in his official residence. The lawyer made the comment in a briefing to reporters following recent speculation over the suspended president's whereabouts.

Seok Dong-hyeon, another lawyer advising Yoon, said Yoon viewed the attempts to arrest him as politically motivated and aimed at humiliating him by publicly displaying him in hand