UPDATE (8:30 p.m.) – Menlo Park Police say no suspicious packages or devices were found on the Facebook campus, and the building is now clear and secure.
Police first received a call from the NYPD Crime Stoppers Unit around 4:30 p.m. Tuesday. NYPD says it received an anonymous tip of a bomb threat at the Facebook Facility on Jefferson Drive in Menlo Park.
Facebook management evacuated the buildings and surrounding areas as a precaution. Menlo Park police helped in the evacuation, secured a perimeter, and diverted traffic during the investigation.
The San Mateo County bomb unit responded with explosive detection dogs. They conducted a sweep of the building, but found no packages or suspicious items.
Facebook’s campus in Menlo Park was evacuated Tuesday night due to a bomb threat.
Menlo Park police say a threat was called into the New York Police Department’s Crimestoppers unit, which then notified police in the Bay Area.
Update to bomb threat at 200 Jefferson Drive: The building has been evacuated and the bomb unit is on scene. https://t.co/a8FwUhkwFz
— Menlo Park PD (@MenloParkPD) December 12, 2018
NBC Bay Area confirms the bomb squad is on the scene. Aerial footage shows a large police response.
— NBC Bay Area (@nbcbayarea) December 12, 2018
The investigation is ongoing.