SAN BERNARDINO, Calif. — The latest on the mass shooting at a social service facility in San Bernardino, California (all times local):
2:45 p.m.
A U.S. official says the FBI was treating the mass shooting in California as a potential act of terror but had reached no conclusion it was.
The official was briefed on the investigation but wasn’t authorized to discuss it by name and spoke on condition of anonymity.

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