Iran nuclear report: IAEA claims Tehran working on advanced warhead

The UN's nuclear watchdog will publish new details on Wednesday on alleged Iranian work on an advanced design for a nuclear warhead developed with the help of a former Soviet scientist, according to nuclear experts.

The report by the International Atomic Energy Agency (IAEA), which will also identify a suspect site where warhead components have been tested, is the most detailed presentation to date of its evidence for recent nuclear weapons research in Iran.   More