By Hyunsu Yim and Ju-min Park SEOUL (Reuters) -South Korean investigators will seek an extension of a warrant to arrest impeached President Yoon Suk Yeol, as visiting U.S. Secretary of State Antony Blinken reaffirmed confidence in the key Asian ally's handling of the political turmoil.

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.

The Corruption Investigation Office for High-ranking Officials will likely seek a new court warrant to extend the window for Yoon’s detention, according to police.

After overcoming pariah status at the end of the last century, South Korea must learn what caused the catastrophe on Dec. 29 and what lessons to draw from it.

South Korea's government said on Monday it will extend the shutdown of Muan International Airport by a week to Jan. 14, citing the ongoing investigation into the crash of a Jeju Air jet that killed 179 passengers on board.

South Korean authorities have extended the closure of a southwestern airport where a Jeju Air plane crashed and killed 179 people onboard, the land ministry said Monday.