Hezbollah, Iran’s most powerful regional ally, has signaled privately that it does not intend to attack Israel, but Lebanon’s military has bolstered its presence in the country’s south to prevent rocket fire.

One of Israel’s most feared scenarios has long been that Iran would unleash an attack on it in coordination with its powerful network of proxy militias.Tehran spent decades funding and arming Islamist groups in countries like Iraq,

Israel and Iran have been enemies for decades — but this is their most sustained direct fighting ever. Here’s how a shadow war erupted into an overt conflict.