The U.S. secretary of state aimed to show that his country stood by South Korea as it grapples with a political crisis, and as Donald J. Trump returns to power.

Antony Blinken traveled to South Korea as an affirmation of continued support for the East Asian nation as it struggles to navigate a historic constitutional crisis.

By Hyunsu Yim and Ju-min Park SEOUL (Reuters) -South Korean investigators sought 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.