The fight between two well-armed Mideast powers has their neighbors worried about the conflict spreading, a concern only deepened by U.S. involvement.

Israel faced a missile attack on Sunday as Iran said it reserved all options to defend itself after unprecedented U.S. strikes that President Donald Trump said had "obliterated" its key nuclear facilities.

President Donald Trump said Saturday that the U.S. military struck three sites in Iran, directly joining Israel’s effort to decapitate the country's nuclear program in a risky gambit to weaken a longtime foe amid Tehran’s threat of reprisals that could spark a wider regional conflict.