My guess is that neither Israel nor Israel with external support is going to attack, given the possible and horrifying ramifications of doing so. China and Russia have made it clear that they will oppose any move to ratchet up sanctions. So where is the pressure on Iran to respond to the report? Seems to me it does not exist.
Death toll from car bombs in Iraq rises to 56 (AP)
from the article: U.S. demands Iran respond to IAEA report within days