Iran developing nuclear weapons come from secret services. When will the leaders of Israel understand that such information is worth nothing? Look to the situation before the Irak-war. Information from secret spy agencies cannot be trusted and political acting should never be based on information from such sources. There is nothing to fear for Israel since JHWH doesn't forget Jakob! He himself is protecting Jakob now and greater security is not possible.
47 killed in clashes between ISIS, Syrian rebels near Turkey border, monitor says (Reuters)
from the article: Harsher IAEA report on Iran nuclear program expected next month