The U.S. has sanctioned nine Chinese and Hong Kong companies and individuals accused of aiding Iran's military. The move could complicate upcoming U.S.-China relations.

The United States has sanctioned a total of nine mainland Chinese and Hong Kong companies and individuals accused of helping Iran’s military. The decision, which risks complicating Donald Trump’s visit to China next week, was announced on Friday by the Treasury and State departments. A Treasury Department press release said those targeted were “enabling efforts by Iran’s military to secure weapons” or securing “raw materials with applications in Iran’s Shahed‑series unmanned aerial vehicles and....