Israel's blistering attack with warplanes and drones against Iran’s nuclear and military structure has sparking an open conflict between the two long-time foes that threatens to spiral into a wider, more dangerous regional war.

Israel’s devastating attack on Iran has put the Islamic Republic in existential peril and exposed deep vulnerabilities in the intelligence services that have kept Supreme Leader Ayatollah Ali Khamenei in power for nearly four decades.

Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country. Planned talks on Iran’s nuclear program,