From the KPD Facebook page:

Armed Robbery - At approximately 4:37 AM multiple officers from the Kennewick Police Department, assisted by the Benton County Sheriff’s Office, responded to a business in the 5300 block of W. Canal Dr. where an armed robbery had just taken place with some type of firearm. This incident is currently under investigation but the Kennewick Police Department can confirm there were no injuries. Further details will be made public as the investigation unfolds.

Anyone who may have information regarding this incident is encouraged to contact the Kennewick Police Department by dialing 509-628–0333 and referencing KPD 19–27641.