As its 2015 nuclear deal with major powers has eroded over the years, Iran has expanded and accelerated its nuclear programme, reducing the time it would need to build a nuclear bomb if it chose to, though it denies wanting to.

Nuclear weapons were once deemed un-Islamic by Iran’s supreme leader, who went as far as issuing a fatwa against their production. But a lot has changed since the 1990s, and although Ayatollah Ali Khamenei still sits atop of the regime,

Iran said it could review its “nuclear doctrine” in an apparent threat to build an atomic bomb if attacked by Israel.