Nerve Agent VX Found on Shirts of Women Accused of North Korean Murder, Expert Says

Vietnamese Doan Thi Huong and Indonesian Siti Aisyah who are on trial for the killing of Kim Jong Nam, the estranged half-brother of North Korea's leader, are escorted as they leave the Shah Alam High Court on the outskirts of Kuala Lumpur, Malaysia. Reuters/Lai Seng Sin

KUALA LUMPUR—Traces of a deadly nerve agent that killed the estranged half-brother of North Korean leader Kim Jong Un were found on the clothes worn by the two women accused of the sensational murder, a Malaysian court was told on Thursday.

Indonesian Siti Aisyah, 25, and Doan Thi Huong, 28, a Vietnamese, are charged with murdering Kim Jong Nam by smearing his face with VX, a chemical poison banned by the United Nations, at Kuala Lumpur airport on Feb. 13.