At a news briefing, spokesman for the South's Unification Ministry Jeong Joon-hee said that the South Korean government confirmed Yong-jin's execution through several ways, though he didn't explain how.
He was killed by a firing squad in July as an "anti-party, anti-revolutionary agitator", added a South Korean official at the ministry.
The government warned that he may now feel the need to prove his loyalty by masterminding another provocation against the South.
Kim Yong-Chol, who took the helm of the UFD after predecessor Kim Yang-gon was killed in an auto accident in December, was temporarily purged by being sent to a farm in the countryside to undergo ideological reeducation for a high-handed attitude at his job, the official said.
North Korea executed the country's vice premier of education, South Korea's Unification Ministry announced on Wednesday.
It was first reported by a South Korean news agency, Yonhap who reported that the deputy premier had been arrested for sitting in a "disrespectful" posture during a North Korean Parliament meeting.
North Korea minister executed 'for showing lack of respect'
Kim Yong-jin, North Korea's vice premier for education and Hwang Min, a former bureaucrat in the agriculture ministry, were allegedly gunned down in July under dictator Kim's tyrannical regime.
After accidentally dozing off, Ri was taken into custody and interrogated where security agents found evidence of his disloyalty and disrespect towards Kim.
Earlier in February this year, Ri Yong Gil, chief of the North Korean military's general staff, was executed for abusing his power and forming a clique. Kim Jong-un had executed Jang Song-thaek (his own uncle).
Kim Yong-Chol's re-education is evidently complete, as he is back on duty, and the South Koreans are anxious he'll be tempted to prove himself to the dictatorship by "committing provocative acts".
Last April, North Korea's former Defense Minister Hyon Yong-Chol was reportedly executed after falling asleep during a military rally attended by the Supreme Leader.
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