Relying on plutonium produced at Dimona, Israel has had the ability to fire nuclear warheads since the early 1970s, according to that article, co-authored by Hans M. Kristensen, director of the Nuclear Information Project with the Federation of American Scientists, and Matt Korda, a researcher at the same organization.

The Israeli military also confirmed it struck roads around Iran’s Fordo enrichment facility to obstuct access to the site.

Israel targeted Evin prison in Tehran on Monday, one of the most potent symbols of Iran's governing system, in what Israel called the most intense bombing yet of the Iranian capital, a day after the United States joined the war by blasting nuclear sites.