Police are attending a shooting in California, with reports of 20 victims, say officials.
Fire officials in San Bernardino said it was responding to a "20 victim shooting incident" and it was working to clear the scene.
ABC News reports that there are 12 people dead but police have not confirmed that number.
It is still a "very active scene" and police are trying to secure the building, said a police spokeswoman.
There may be up to three gunmen, she said, and they were heavily armed and possibly wearing body armour.
-- submitted from IRC
Update 1: BBC Live stream updates
(Score: -1, Troll) by Anonymous Coward on Thursday December 03 2015, @05:02AM
Oh - first thing wrong with that "study" - they're including every murder in which 4 people are killed. That includes domestic violence, and about 70% of the "mass murders" are domestic violence.
Coincidentally they excluded 70% of the mass murders because they weren't in public spaces.
You proven yourself out matched before you even got started. Such is the arrogance of ignorance.