UPDATE: All clear at Facebook campus after bomb threat

Posted at 6:28 PM, Dec 11, 2018
and last updated 2018-12-11 23:36:02-05

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.

NBC Bay Area confirms the bomb squad is on the scene. Aerial footage shows a large police response.

The investigation is ongoing.