Israeli emergency services have said at least two people were killed in the strikes and dozens of people are injured.

In remarks before the UN Security Council, Iranian Ambassador Amir Saeid Iravani claimed that 78 people had been killed in Israeli attacks across Iran -- using the term "martyred" -- and that another 320 had been injured.

The State Department told regional allies about Israel's plan to strike Iran, and indicated it wasn't a U.S. operation, four sources told CBS News.

Interviews with half a dozen senior Iranian officials show that they were not expecting Israel to strike before another round of talks.

Mossad released footage that it said showed two agents on Iranian soil who deployed precision attack systems "designed to destroy Iranian air defense systems."

President Trump joked that Iranian officials killed in Israel's airstrike clearly did not die of an illness, warning that Iran should have heeded his warning.

Airspace was closed over Israel, Jordan, Iran and Iraq on Friday after Israel attacked Iran with a wave of airstrikes.

The back-and-forth strikes stoked concern among investors about a possible wider conflict across the Middle East, which accounts for a large share of global oil production. The U.S. West Texas Intermediate futures price -- a key measure of U.