South Korean media say the half-brother of North Korean leader Kim Jong Un has been killed in Malaysia. A South Korean government official said that Kim Jong Nam was killed Monday, the Yonhap news agency reported. The official did not provide additional information. Two unidentified female agents reportedly used poisoned needles to kill Kim at Kuala Lumpur International Airport. The two then fled the area in a taxi. The women are believed to have been working for North Korea. South Korea’s National Intelligence Service neither confirmed nor denied the story.