A few buildings in Facebook‘s main campus in Menlo Park, California, were evacuated due to a bomb scare just a few hours ago.

Menlo Park authorities issued an alert at 5 PM local time, asking people to stay clear from block 200 of Jefferson Park.

These buildings host some Facebook and Instagram employees.

Menlo Park Police Department confirmed on Twitter that it’s investigating a bomb threat at the venue.

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

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

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