President Trump has doubled tariffs on China to 20% and confirmed 25% duties on imports from Mexico and Canada, citing fentanyl trafficking and trade imbalances.

China and Canada hit back swiftly after Trump's sweeping trade tariffs took effect at midnight U.S. time Tuesday, escalating fears of a global trade war. International markets, meanwhile, continued to slide amid growing uncertainty.

China's commerce ministry on Tuesday voiced opposition against a U.S. decision to impose tariffs on Chinese products related to fentanyl and other issues, vowing countermeasures that it said were aimed at safeguarding its rights and interests.

China hit back at the U.S. with a slate of retaliatory measures after President Trump put an additional 10% tariff on Chinese imports.

Beijing responds within hours to Trump's executive order to increase tariffs on Chinese imports from 10% to 20%. Just hours after US President Donald Trump signed an executive order to increase tariffs on Chinese imports from 10% to 20%,

China on Tuesday swiftly retaliated against fresh U.S. tariffs, announcing 10%-15% hikes to import levies covering a range of American agricultural and food products, moving the world's top two economies a step closer toward an all-out trade war.

Chinese Ministry of Commerce on Tuesday vowed to retaliate against fresh US import tariffs set to take effect later in the day. This was as it reiterated its stance that the Trump administration was trying to shift the blame and bully Beijing over fentanyl flows.

China escalated its trade dispute with the U.S., threatening retaliation against new tariffs, which increased existing levies on Chinese goods to 20%. China's Finance Ministry announced a 15% tariff on US chicken,