Malaysia’ s investigation into the murder of the North Korean leader ’ s half – brother shows that the Pyongyang government was behind the assassination , South Korea said Sunday .
Malaysian police have arrested one North Korean suspect and are seeking four more North Koreans who left the country last Monday , the day Kim Jong – Nam was poisoned at Kuala Lumpur ’ s main airport .
“ Based on various factors , our government is certain that the dead man is Kim Jong – Nam , and considering that the five suspects are North Korean nationals , we view that the North Korean government is behind the incident , ” said Seoul’ s unification ministry spokesman Jeong Joon – Hee .
Jeong declined to provide further details , citing the continuing probe in Malaysia.
“ As North Korea has been committing inhumane crimes and acts of terror , we are keeping a close eye on the latest incident with grave concern , ” Jeong said .
Jong – Nam , the half – brother of leader Kim Jong – Un , died after an unidentified liquid was sprayed in his face at Kuala Lumpur International Airport . Seoul says the attack was carried out by female agents on Pyongyang ’ s orders .