KENNEWICK, Wash. -- Kennewick Police are investigating about six shell casings found in a neighborhood late Tuesday night. 

Kennewick Police say they were called out at about 10 p.m. to the 3400 block of West 7th avenue after several calls came in to authorities for reports of gunshots in the area. 

Authorities say about six spent shell casings were found in the road. 

Police say there are no known victims, and believe it's possible the shots were fired into the air. 

Anyone with information is asked to contact police at 509-628-0333, the case number to reference is 20-37397.