Kim Jong-nam’s death: Latest test of tense China-North Korea relations

Despite being North Korea's biggest ally, China has seen its alliance with the regime repeatedly tested in recent years - and the past week is no exception. With a ballistic missile test this past Sunday, and the apparent assassination of Kim Jong-nam, the exiled half-sibling of Supreme Leader Kim Jong-un, the relationship between the two nations is growing increasingly tense.Last Monday, Kim Jong-nam died en route to the hospital from Kuala Lumpur International Airport after he claimed he was sprayed with a chemical. South Korean and US officials have pointed to North Korea as the culprit behind the apparent assassination. Chan Siu-kam has more.

Former North Korean Leader Kim Jong Il, Bottom Left, Poses With His First-Born Son Kim Jong Nam Source: Getty Images