OAKLAND, Calif. (KGO) -- There is a heavy police presence in Oakland at Linden and 12th Streets.
There are dozens of markers on the ground indicating shell casings from gunshots.
Police have put up crime scene tape and part of Linden Street is blocked off.
If you're familiar with the area, this is near Lowell Park.
Stay with ABC7 News for the latest details on this developing story.