<p>Seoul: South Korea's presidential security chief has submitted his resignation to acting President Choi Sang-mok, his office said in a statement on Friday.</p>.South Korea presidential security chief warns against violent attempt to arrest Yoon.<p>Park Chong-jun, head of the Presidential Security Service, is currently under investigation for obstructing efforts by anti-graft officers to arrest impeached President Yoon Suk Yeol last week.</p>
<p>Seoul: South Korea's presidential security chief has submitted his resignation to acting President Choi Sang-mok, his office said in a statement on Friday.</p>.South Korea presidential security chief warns against violent attempt to arrest Yoon.<p>Park Chong-jun, head of the Presidential Security Service, is currently under investigation for obstructing efforts by anti-graft officers to arrest impeached President Yoon Suk Yeol last week.</p>