Iran’s Islamic Revolutionary Guard Corps (IRGC) announced it was preparing to unveil a new weapon dubbed the “Father of All Bombs,” in response to US threats to use the most powerful conventional bomb against Iranian nuclear facilities, saying through spokesperson Hossein Mohabi that it was in the preparatory stages of the unveiling, according to The Jerusalem Post, citing the Young Journalists Club.

US defence officials prepared a range of options for the president to consider as he weighs military escalation in Iran, sources told ABC News, according to ABC News.