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

"Our support for Gaza and our defense of our country against the Zionist aggression against it has continued," a Houthi source told Newsweek.

If prices go up, Fed officials may be inclined to raise its benchmark rate, raising borrowing costs for businesses and consumers. That could lead to businesses to cut jobs, particularly in the high-growth tech sector, and force Americans to pull back on spending, which drives more than 70% of economic activity in the U.S.

Israel's surprise attack on Iran had an obvious goal of sharply disrupting Tehran's nuclear programme and lengthening the time it would need to develop an atomic weapon.

Iran launched dozens of ballistic missiles toward Israel on Friday night in retaliation for Israel's surprise attack early Friday.

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