Iran to break uranium stockpile limit set by nuclear deal, spokesman says

Amid increased brinksmanship with the United States, Iran announced Monday its intention to exceed the low-enriched uranium stockpile limit it agreed to in the 2015 nuke deal -- unless certain demands are met by the pact's remaining signatories within the next 10 days.

More provocatively, the Islamic Republic's Atomic Energy Organization spokesman warned Iran could enrich uranium up to 20 percent -- just a step below weapons-grade level.

Behrouz Kamalvandi spoke to journalists at the country's Arak heavy water facility. He acknowledged Iran has already quadrupled its production of low-enriched...