Trump, Iran and the nuclear deal: What's happened? - BBC News
The BBC’s Paul Adams looks at what's behind the rising tension between the US and Iran, including the Iran nuclear deal.
What's behind the rising tensions between the US and Iran?

US President Donald Trump has always hated the Iran nuclear deal. Now Iran is threatening to stop complying with some of its obligations under the agreement.

How did we get here? And is the deal crumbling?