Iran news LIVE updates: Donald Trump on Thursday ruled out the use of nuclear weapons against Iran, stating that the US has already weakened Iran’s military through conventional means. Efforts to resume peace talks have stalled after deadlock related to Strait of Hormuz.

US Iran War: US President Donald Trump has issued a stark warning to Iran, declaring that time is running out for Tehran even as he firmly ruled out the use of nuclear weapons in the ongoing conflict.

Add Yahoo as a preferred source to see more of our stories on Google. Russia lacks the conventional military strength NATO has, a top Norwegian military official said. The "inherent asymmetry" has pushed Moscow to prioritize more unconventional capabilities.

Russian state TV warned that nuclear strikes could be used to "wipe Ukrainian cities off the face of the earth" and kill Volodymyr Zelensky "in his bunker"

David Holloway, a Stanford University-based but Dublin-born historian of the nuclear age, is more cautious about how dangerous this was, but points to it as one of many times in the Cold War era when misperception of the other side’s intentions could have led to disaster.