US nukes Iran will release massive radioactive fallout across Pakistan, India, Afghanistan A US nuclear strike on Iran would send a radioactive cloud sweeping across a vast swath of South Asia, according to a map published by the South Asia Index. This dovetails with comments by American journalist and political commentator Tucker Carlson that the US could resort to using nuclear weapons against Iran. In his opinion, under pressure from Israeli Prime Minister Netanyahu, the Trump administration can target Mount Machush, where an Iranian nuclear facility lies under 100 meters of basalt - beyond the reach of conventional weapons. substack | talk.