Officials confirmed more than a dozen people were killed when as many as three gunmen rushed into a social services agency in San Bernardino, California and began shooting.
Gunmen Open Fire at California Social Services Agency
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The shootings took place at the Inland Regional Center, a facility for people with developmental disabilities.
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A heavily armed officer sets up a perimeter near the site of the shootings.
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First responders gather on a nearby street corner where victims were treated.
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Police officials described the shootings as 'domestic terrorism' but a motive has not been identified.