Crude oil prices began rising after Trump ordered the Iran attack. At gas pumps in several states, some drivers were worried about rising costs.

CBS News Business Analyst Jill Schlesinger has some information on how the war against Iran could affect finances and gas prices, and what you can do to protect yourself.

U.S. President Donald Trump says “someone from within” Iran’s government might be best suited to take power once the U.S.-Israeli war on the country ends

Stocks saw heavy volatility on Tuesday, with the Dow down as much as 1,200 points before clawing back much of that loss as traders assessed Iran war updates.

If you've noticed higher prices at the pump, you're not alone: the conflict in Iran is causing gas prices across the U.S. to skyrocket. Here's why. (AP Photo)

Iran war widened sharply on Wednesday after a U.S. submarine sank an Iranian warship off Sri Lanka, killing at least 80 people, and NATO air defences ​destroyed an Iranian ballistic missile fired towards Turkey.

"Oil and gas tanker traffic through the Strait of Hormuz has ground to a near halt, satellite data show, as oil firms and trading houses have put voyages on hold out of fear that Iran might target vessels passing through this maritime choke point,

Trump added that he had ordered oil tanker insurance support, a move that marks an aggressive step to try to contain soaring energy prices.