Trump heads to crucial meeting with China's Xi Jinping during Asia trip, promising to tackle fentanyl crisis and trade issues while criticizing Biden's border policies.

A factory producing fentanyl for hospitals in China denies that its drug ends up in the U.S. The U.S. accuses China of producing the precursor chemicals for fentanyl that is smuggled across the southern border.

FBI Director Kash Patel is set to visit China next month as the agency cracks down on international suppliers of chemicals tied to fentanyl.

The US and China reached a preliminary consensus on fentanyl and ship levies after two days of wide-ranging discussions, a Chinese official said, in tentative signs of easing tensions between the world’s two largest economies.

President Donald Trump says fentanyl will be the subject of the “first question” he asks when he meets with China's president in South Korea, the last stop of his three-country Asia tour.