Yoon's declaration of martial law in December stunned South Koreans and plunged one of Asia's most vibrant democracies into political turmoil.

South Korea's Presidential Security Service chief resigned Friday and acting President Choi Sang-mok accepted it. President Yoon Suk Yeol remains in his fortified residence as law enforcement seeks to arrest him.

The head of strategic planning at the Joint Chiefs of Staff called for “close coordination” among the international community against threats stemming from North Korea’s military support to Russia at a recent NATO meeting.

Protests escalate in South Korea as thousands demand Yoon's release after court extends his detention. Buildings damaged amid violent clashes.- Watch Video on English Oneindia

South Korean authorities have granted a request to extend a warrant to detain the country’s suspended President Yoon Suk Yeol for questioning over his surprise declaration of martial law last month.

After lawyers of South Korean President Yoon Suk Yeol argued that his arrest on January 15 was unlawful, a photo spread in social media posts falsely claiming it showed a search warrant used to illegally detain him rather than an arrest warrant.

Yoon’s detention, after a tense standoff outside the presidential residence, marks the latest chapter in a bewildering series of events since his martial law decree.

This was the South Korean authorities' second attempt to arrest Yoon.

A man was arrested from Thane in the wee hours of Sunday for allegedly attacking actor Saif Ali Khan in his house, Mumbai Police said. Khan was stabbed multiple times in his Bandra apartment in the early hours of Thursday.

As political changes loom, South Korea's leadership crisis could affect ties with China, Japan and the US, observers say With the fate of suspended South Korean president Yoon Suk-yeol hanging in the balance,

South Korea’s impeached president, Yoon Suk Yeol was formally arrested early on Sunday, days after being apprehended at his presidential compound in Seoul.