Just Now: Active shooter reported in San Bernardino, California

 Police are responding to reports of an active shooter in San Bernardino, Calif., where as many as 20 people have been injured, officials say. 

 

Police and other agencies in San Bernardino, California, are responding to an active shooting situation at a social services facility.

 

The shooting took place at the Inland Regional Center, a nonprofit that works with individuals with developmental disabilities. 

According to the San Bernardino Sheriff, they are searching for three suspects. They were described to be wearing ski masks and armed with rifles.

Fifteen people who were hiding in an interior office are now being escorted out by police.

Officers at the scene referring to suspicious device as an "IED" .

 Improvised explosive device. First responders are being told to keep their distance from the south building.

Not a good sign: a supervisor at the shooting scene is requesting homicide detectives.

From police radio: Bomb technicians say the suspicious device is "out of the norm." Officers evacuating the building now. 

Will use a robot to remove the possible explosive, officer says over police radio.

Witnesses now telling police at the scene that there were three gunmen. "They said without a doubt there were three with long rifles.