Iran announced on Saturday it mobilized a chain of advanced centrifuges to accelerate uranium enrichment — breaching the 2015 nuclear deal for the third time, reports Al-Jazeera.
Catch up quick: Iran plans to cut its commitments to the deal every 60 days until Europe offers economic terms to offset the blow of U.S. sanctions, writes the Washington Post. European countries have been scrambling to save the deal, with the European Union working to keep money moving into Iran's struggling economy, and France proposing $15 billion in credit lines.
After weeks of negotiations, Russia and Ukraine exchanged 35 prisoners each on Saturday in what could be the "first step toward easing tensions between Moscow and Kiev," reports the Wall Street Journal.
Why it matters: Tensions between the 2 former Soviet countries have been high since Russia annexed the Crimean peninsula in 2014, per the WSJ. This "rare agreement" could lead to further negotiations, but some caution that the process will be lengthy and complicated.