Video: Police evacuating USA TODAY HQ after reports of a man with a weapon in the building.

An “active police event” is ongoing at the headquarters of USA Today in Tyson’s Corner, Virginia, according to police.

Law enforcement officers arrived at the newspaper’s headquarters around noon on Wednesday and began evacuating the scene.

Police evacuating @USATODAY HQ in tysons corner pic.twitter.com/2aae7g4Co0

— William Dyer (@wdyerz) August 7, 2019

Videos shared on social media show lines of evacuees leaving the building and police helicopters circling overhead.

Fairfax County police confirmed the event to reporters but did not elaborate on whether it was an active shooter event or not. Reports of gunshots are as of yet unconfirmed.

We have evacuated the @USATODAY headquarters in McLean, Virginia, after reports of someone who may have had a weapon in the building. pic.twitter.com/EF8DJQCqsN

— Nathan Bomey (@NathanBomey) August 7, 2019

Though police vehicles, SWAT officers and helicopters converged on the scene in force, an FBI official later told reporter Mike Valerio that the incident was “not a shooting.”

“Active police event” at @USATODAY HQ in Tysons Corner, #Virginia, @FairfaxCountyPD confirms to me but has no further details.

— Steve Herman (@W7VOA) August 7, 2019

Located just 30 minutes from Washington DC, the Tysons Corner HQ is the base for the majority of USA Today’s more than 3,000 employees.