NEW YORK (AP) — U.S. gas prices jumped back to $4 a gallon on average Monday, as Washington's latest fighting with Iran renews strain on the flow of fuel worldwide.

Global oil prices briefly touched $90 per gallon early on Monday before both countries signaled a willingness to resume talks.

U.S. gas prices have jumped to an average of $4 a gallon again as the U.S. and Iran launch more attacks.

AAA reported the national average price for a regular tank of gas to be $4.003 per gallon, the highest in weeks.

US gas prices hit $4 a gallon amid Iran tensions. Crude oil reaching a new all-time high by September 30 at 4.7% YES.