The world grappled Sunday with the enormous implications after the United States inserted itself into Israel’s war against Iran with an attack that raised urgent questions about what remained of

Iran lashed out at the US for crossing “a very big red line” with its risky decision to launch strikes on three Iranian nuclear sites.

The United States has attacked three sites in Iran, inserting itself into Israel’s war aimed at destroying the country’s nuclear program in a risky gambit to weaken a longtime foe that prompted fears of a wider regional conflict.