LANSING, Mich. (Great Lakes News) – Gas prices in Michigan have shot up 18-cents in the past week after Russia invaded Ukraine.

AAA Michigan says the average price is now $3.55 per gallon, which is 33-cents more than last month. It marks a 79-cent increase in the past year.

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Gas stations in the Saginaw and Lansing areas charged the highest prices in the state while Traverse City and metro Detroit’s charged the least for a gallon of gas.