The most significant international news in recent days is that President Trump has withdrawn the US from the Iran nuclear deal. But what was the deal?

This video explains:

The Iranian nuclear agreement was struck in 2015 under the Obama administration. It prevented Tehran from developing materials that could be used to produce a weapon, but allowed it to pursue domestic power generation. Donald Trump announced on Tuesday he wanted to scrap it What is the Iran nuclear deal and why does Trump want to scrap it?