Police in Malaysia say that a powerful nerve agent, VX, appears to have been used in the murder of the half-brother of North Korean leader, Kim Jong-Un.
The BBC's Rupert Wingfield-Hayes explains.
- SubsectionAsia
- Published24 February 2017
Three things to know about deadly VX
Kim Jong-nam, the half-brother of North Korea's leader, was killed by a nerve agent, police say.
Kim Jong-nam death: Three things about VX nerve agentKim Jong-nam death: Three things about VX nerve agent
