A 4-cent jump in the cost of a gallon of gasoline in Massachusetts in the past week is being blamed on unrest in Iraq.

AAA Southern New England said Monday that self-serve, regular is up to $3.68 per gallon, equaling the highest weekly average price recorded by AAA in Massachusetts this year.

The current price is the same as the national average and 3 cents per gallon higher than a month ago, and a full 20 cents per gallon higher than a year ago at this time.

The national average of is the highest price recorded nationally on this date in six years.

AAA found self-serve, regular selling as low as $3.53 in Massachusetts and as high as $3.89.

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