ST. LOUIS (AP) – St. Louis police say a gunman has opened fire on two utility workers, killing both of them, before fatally shooting himself.

The shooting happened around 11:15 a.m. Thursday on the western edge of the city. Police say it’s unclear why the gunman shot two Laclede Gas employees working in residential neighborhood.

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Names of the victims and the shooter have not been released. Authorities say one worker was in his 20s, the other in his 50s.

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Police spokeswoman Schron Jackson says the victims were working when the suspect “walked up and started shooting at them before turning the gun on himself.”

Laclede Gas is a natural gas distribution utility that serves the St. Louis area and portions of southeast Missouri. Messages seeking comment from the company were not immediately returned.

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