A part of Facebook’s headquarter in Menlo Park was evacuated after an anonymous bomb threat tip was received by the NYPD’s Crimestoppers Unit, who promptly forwarded it to local authorities to investigate the same. The bomb threat was first reported by NBC Bay Area.

#BREAKING: Bomb threat forces evacuations at Facebook building in Menlo Park, @MenloParkPD says. https://t.co/tXJWKnlrQy pic.twitter.com/foRzfj83h5

Update to bomb threat at 200 Jefferson Drive: The building has been evacuated and the bomb unit is on scene. https://t.co/a8FwUhkwFz

Police respond to bomb threat; No suspicious package or device found https://t.co/uxIxHYbmyX

— Menlo Park PD (@MenloParkPD) December 12, 2018