A Marathon station owner shot the owner of the rival BP station in a dispute over a gas price cut. The BP owner went to the Marathon owner to see how he could afford to cut the price as much as he did, the discussion escalated into a fight which ended in the death of the BP owner:

The discussion quickly escalated into a fight with two more people from the BP station brawling with rivals at Marathon. One man was hit with a baseball bat in the melee. And then, police say, the 51-year-old owner of the Marathon station pulled out a gun and shot the owner of the BP, a 45-year-old father of five children.
In a wild post-script, it appears the BP station is taking advantage of the shooting. While police are still swarming the Marathon station, the BP has jacked up its prices. WXYZ’s Bill Proctor reports that as soon as the owner’s body was taken away, workers at BP changed the price-per-gallon of unleaded from $2.96 to $3.09.

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Amazing! The owner is killed and they take it out on the consumer?