SEOUL, May 12 (Xinhua) -- South Korean special counsel sought a four-year prison sentence for former President Yoon Suk-yeol over allegations that he received polling services from the political broker Myung Tae-kyun.

This file photo taken on Feb. 20, 2025 shows Yoon Suk-yeol (C) attending a hearing of his impeachment trial at the constitutional court in Seoul, South Korea. (Photo: Xinhua)