Iran has further stepped up its production of highly enriched uranium, according to the UN nuclear watchdog. In a confidential report seen by the BBC, the International Atomic Energy Agency (IAEA) said Iran now possesses over 400kg of uranium enriched to 60% purity - well above the level used for civilian purposes and close to weapons grade,

The U.N. nuclear watchdog says Iran has further increased its stockpile of uranium enriched to near weapons-grade levels.

Iran has continued to produce highly enriched uranium at a pace of roughly one nuclear weapon’s worth a month over the past three months despite talks between Washington and Tehran on a new nuclear deal,