The status of Iran's nuclear capability is surrounded by mystery even as in that is a central question in the Iran-Isreal conflict.

Israeli strikes on Natanz, Fordow and Isfahan pose little regional radiation risk but could release plumes of toxic chemicals, experts said.

Officials told CBS News that Trump is considering joining Israel to strike Iranian nuclear sites, including in Fordow - and is considering a range of options, including a possible strike

There were reported explosions at Iran's main uranium enrichment facility at Natanz, while Iran's elite Revolutionary Guards corps said its top commander, Hossein Salami, had been killed. The IDF said 200 fighter jets took part in the strikes, hitting more than 100 targets.

Fordo is Iran’s second nuclear enrichment facility after Natanz, its main facility, which already has been targeted by Israeli airstrikes. The IAEA said Tuesday it believes the strikes have had “direct impacts” on the facility’s underground centrifuge halls.

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.

There will be no nuclear talks with Iran on Sunday, a senior U.S. administration official says, adding Washington still hopes Tehran will resume negotiations soon. “We remain committed to talks and hope the Iranians will come to the table soon,

Israel strikes Iran's nuclear facilities, but an expert cautions that the heavily protected Fordow site remains a dangerous threat that only U.S. military capabilities can neutralize.