Israel had spent months smuggling in parts for hundreds of quadcopter drones rigged with explosives—as well as munitions that could be fired from unmanned platforms, people familiar with the operatio...

The U.S. did not provide any military assistance or have any involvement in the Israeli strike, a U.S. official told ABC News.

Israel’s military said on Sunday it was striking dozens of targets in Iran, the third day of intensive aerial attacks aimed at the country's nuclear program and senior leadership.