RT News - May 21, 2019 (12:00 MSK)

Testing the limits - Iran is quadrupling production of low-enriched uranium, as tension with the US ramps up, and the nuclear deal unravels. Violent demonstrations erupt once again in Haiti with the government accused of links to a massacre in the country's capital last November. And the United States extends its offer of money to countries willing to switch from Russian to American-made arms.