UPDATE 8:50pm: LAPD helicopters, cruisers, searching LA River bed. Police vehicles racing toward River along Sunnynook Drive.Second round:
UPDATE 9:10pm: Still activity around Glendale-Hyperion bridge. Police lights on Riverside Drive. Neighbors tracking events on AVNC forum: "at least 15 police vehicles and lots of suspects in handcuffs."
UPDATE 9:15pm: Lights, sirens, choppers gone. Nobody else reporting. Time to finish Sunday night TV shows. Y'all are on your own.
UPDATE 9:50pm: Great, 4 more shots and/or pops and/or explosions. Maybe guns, maybe fireworks. Does it matter? Are we really going to let them have Atwater Village?
UPDATE 10:25pm: Helicopter returns, spotlight on River.