When South Korea's acting President Choi Sang-mok arrived at the scene of the deadliest air disaster on the country's soil on Sunday, he had been on the job for less than 48 hours. Choi, the country's finance minister,

A summons for Mr Yoon to appear for questioning over alleged insurrection was delivered to the presidential residence on Tuesday but returned, the agency quoted a joint investigation team as saying. If he responds to the summons, it will be the first time in history that a sitting president appears before prosecutors as a suspect.

The impeachment of South Korea’s acting President Han Duck-soo has plunged the country into further political turmoil, coming less than two weeks after lawmakers impeached President Yoon Suk Yeol