After many months of threats, the US has imposed 10% tariffs on all Chinese goods coming into the country. Helen Qiao, chief economist for Greater China at Bank of America, joins John Lee and Katia Dmitrieva to gauge the impact in the world's second largest economy and what could lay ahead.

What to know as President Donald Trump imposes steep new tariffs on imports from Canada, Mexico and China, prompting retaliation and countermeasures.

The move likely will trigger retaliation and risk igniting a trade war that could cause broad economic disruption for all countries involved.

On Friday afternoon, around the same time a delegation of senior Canadian officials was preparing to meet with President Donald’s Trump’s border czar in a bid to stave off withering new tariffs, Trump himself essentially told them from afar: Don’t bother.

Traders and farmers hope that the Trump administration is using tariff threats as leverage in trade negotiations, as opposed to following through with a major disruption to agricultural trade.

President Trump says Americans could feel 'some pain' from the emerging trade war he triggered with tariffs against Canada, Mexico and China.

Steep tariffs risk sparking retaliatory measures that could rattle the domestic economy. It’s happened before.

Sen. Elizabeth Warren (D-Mass.) expressed concern that President Trump is “stumbling into a trade war” by imposing additional tariffs on China and accused him of holding up “critical” bipartisan

"There are no winners in trade wars. If … the U.S. starts a trade war, then the one laughing on the side is China," said the EU's foreign policy chief.

Canada and Mexico have surrendered to Donald Trump, but these victories for the US president in his phoney trade war are not what they seem.