Trade war to get more complex? WTO may investigate Trump's tariffs on China

China's dispute alleges US tariffs violate WTO's most favoured nation provision because the measures fail to provide the same tariff treatment that the US offers to imports of all other WTO members

Tensions between the US and China are about to get more complicated, with the World Trade Organization poised to begin an investigation into President Donald Trump’s tariffs on $250 billion of Chinese goods.

On Monday, the Geneva-based arbiter of trade disputes will likely launch an inquiry into whether the US duties run afoul of a requirement that all WTO members give each other the same tariff treatment, as China asserts.

The investigation comes at a delicate moment between the world’s two largest economies. A new round of trade talks is scheduled to begin on Jan. 30, and if a deal