Nuclear chief: Iran exploring new uranium enrichment

4 days ago

TEHRAN, Iran (AP) — The head of Iran's nuclear program said Sunday that the Islamic Republic has begun "preliminary activities for designing" a modern process for 20-percent uranium enrichment for its 50-year-old research reactor in Tehran, signaling new danger for the nuclear deal. Restarting enrichment at that level would mean Iran had withdrawn the 2015 nuclear deal it struck with world