Xenophobic protest groups have demanded that undocumented foreigners leave the country by June 30 .
A US-Iran deal could unlock frozen assets, oil exports, and investment, reshaping Iran's economic future.
Health Minister Duale disobeyed an order to halt construction at the proposed facility for infected US nationals, court says.
Qatar's PM said US-Iran talks in Switzerland laid the groundwork for a final deal after 18 hours of discussions.