Authorities say a police officer has been shot while responding to a shooting at a plasma donation centre in southwestern Michigan.
Kalamazoo police say the officer's injuries aren't life-threatening. Lisa Walterhouse, an employee at the downtown plasma center, tells the Kalamazoo Gazette that police responded Tuesday after a former employee entered the building and fired shots.
Walterhouse says the gunman told people to call 911. She says, "Then we ran."
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