The U.S. Treasury said on Thursday it is imposing new sanctions on individuals and tankers helping to ship millions of barrels of Iranian crude oil per year to China. The move comes after U.S. President Donald Trump earlier this week vowed to bring Iran's oil exports to zero as the U.

A tanker sanctioned by the US this month has discharged Russian oil in China after an unusually long journey in which it changed its destination from Shandong province, a hub for independent refiners.

The U.S. on Thursday imposed sanctions on a network of more than a dozen people and firms that are accused of facilitating the shipment of millions of barrels of Iranian oil to China