South Korea on Wednesday said North Korea purged a vice-premier responsible for education and was in the process of re-educating two other high profile officials.

Kim Yong Jin, 63-year-old vice-premier of the North’s Cabinet, was executed, said the South’s Ministry of Unification (MoU) during a regular news briefing on Wednesday.

The announcement came one day after South Korean media outlet the JoongAng Ilbo reported the execution of two different officials: Hwang Min, the vice-minister of agriculture and Ri Yong Jin, a senior education ministry official.

Kim last appeared in state media on June 17, having attended a June 15 celebration