Iran is blocking the International Atomic Energy Agency (IAEA) from inspecting multiple sites of interest in its nuclear weapons development programme, a senior source in the European Union’s (E.U.’s) security complex exclusively told OilPrice.com late last week. “These include the major sites targeted during the U.S. and Israeli strikes on its nuclear programme facilities in June, including Fordow and Natanz, and another site in particular -- close to Natanz that seems to be the focus of significant Iranian activity since then,”…