California officials report hostages taken in 'active shooter situation' at veterans' home

An armed man took three hostages in an "active shooter situation" at a veterans' home in Napa Valley, California, fire officials told the Associated Press.

Reports of an active shooter at the Veterans Home of California-Yountville came in around 10:30 a.m., local time, a spokeswoman for the department told the San Francisco Chronicle. Residents are sheltering in place, she added.

"The safety of our residents, workers and the community is our top priority," the department said on Twitter. "We have activated our emergency response protocol and are cooperating with law enforcement."

It's unclear whether anyone is injured.

This is a developing story. Check back for updates.