Special personnel wearing protective clothes and masks operate equipment at the departure lobby of Kuala Lumpur International Airport Terminal 2 in Kuala Lumpur on Feb. 26, 2017, looking for any trace of poison. The detection operation was made after VX nerve agent, a lethal chemical weapon, was found on the body of Kim Jong-nam, the murdered half-brother of North Korean leader Kim Jong-un. (Yonhap)
