Horrible. Reports are coming in from on-the-scene.
Twitchy will monitor this terrible situation and update as new developments occur.
Horrible: Children still inside.
Update: One officer has been shot, but is expected to survive, thankfully. One suspect has also been shot.
More hospitals are on alert for mass casualties.
Police are requesting no aerial coverage by news outlets.
Horribly, politicizing is already beginning.
Roger Ebert joined in with a shot at the NRA.