It remained to be seen whether the attack would ignite a regional war or provide the U.S. and Iran with an off-ramp from their intensifying confrontation.

Iran has attacked a U.S. base in Qatar, calling the mission "Annunciation of Victory," according to Iranian state TV. The attack is focused on Al Udeid Air Base, according to the Islamic Revolutionary Guard Corps.

Israel has targeted Iran's largest nuclear facility in an airstrike on Saturday, according to an official in the Islamic republic. Israeli sources reported the destruction of Isfahan nuclear research complex although Iranian state media said there was no leakage of hazardous materials from the strike.