San Bernardino Shooting Site Is Facility For Developmentally Disabled

Center provides services for more than 30,000 people according to Facebook.

Police said today there were "confirmed fatalities" after multiple shooters opened fire at the Inland Regional Center in San Bernardino, California, but it was not clear who in the center was targeted.

Police said multiple shooters entered the facility during a function there today and "just started shooting," according to Sgt. Vicki Cervantes of the San Bernardino Police.

The San Bernardino Sheriff's office was searching for one to three suspects, according to law enforcement officials.

There are 670 staff members at the center to provide services for 30,200 people from the San Bernardino and Riverside counties in California, per Facebook. Programs are aimed at a variety of ages from Early Head Start programs for toddlers to senior programs for those over the age of 60.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.