He said Iraq's government had also failed to enforce sanctions against Syria.

Washington has broad powers to track suspicious funds and enforce sanctions against individuals.

That would make any potential squeeze temporary, and allow Trump scope to enforce sanctions against Tehran.

Inoki has visited the North over 30 times, despite flak in recent years from hardliners determined to enforce sanctions on the authoritarian state.

The president said the United States still had significant differences with Iran and would continue to enforce sanctions against its ballistic missile program.

Mr Zelensky told Mr Trump he was "absolutely right", and the European Union did need to do more to enforce sanctions against Russia.

Regarding China's role in reining in North Korea, Clinton said Beijing would be better off trying to "tighten and absolutely enforce sanctions" against North Korea.

The bipartisan commission said China had appeared to enforce sanctions on North Korea more thoroughly than in the past in 2017 and in early 2018.

The Treasury Department, which enforces sanctions, did not immediately respond to a request for comment.

The U.S. Treasury Department, which enforces sanctions, said on Tuesday Nynas was no longer blocked under the sanctions.

China, its biggest trading partner, enforced sanctions strictly in the second half of 2017, hurting North Korea's manufacturing sector.

Even the exception - the never- enforced sanctions against Yugoslavia - served to enrich its cankerous ruling class by way of smuggling and monopolies.