A hazardous materials team was responding to Kaiser offices in Burbank for a possible report of package with white powder.
Officials were taking extra precautions Thursday on the 13th anniversary of the 9/11 terror attacks.
In the weeks following the 9/11 terrorist attacks, a series of anthrax-filled letters were mailed to locations in Florida, New York, and Washington, DC, and resulted in five deaths, according to the US National Library of Medicine.
Top news of the day
Refresh this page for updates.