Just before 9:30 am Wednesday, the Antioch Police Department responded to the area of Cavallo Road near E 18th on a report of shots fired.
Officers arrived to the area where they located 21-shell casings after a shooting between subjects. No victims were reported and police were investigating the scene.
According to police, casings were scattered in the area located in a driveway, the street, while six shots hit a truck, and one shot went through a senior living facility.
No further details were available.