Oil prices rose for a second day on Tuesday as fresh U.S. sanctions imposed on Middle Eastern producer Iran increased concerns supply might tighten and as global refining margins remained strong. Brent crude futures rose 15 cents,

Described as a key move in US President Donald Trump's "maximum pressure campaign" against Iran's oil industry, his administration imposed new sanctions Monday on individuals, entities and tankers in mainland China,

The U.S. on Monday imposed sanctions on dozens of people and oil tankers across China, the United Arab Emirates, India and other jurisdictions for allegedly helping to finance Iran and its support for militant groups that launch attacks against the U.