All-Clear: "Active shooter" alarm causes scare at Alpharetta business

Police said the Fiserv building was evacuated this morning after an "audible" alarm went off inside the building warning of an active shooter.

NORTH FULTON COUNTY, Ga. — The Alpharetta Police Department has cleared an Alpharetta building after an "active shooter" scare.

Police said the Fiserv financial tech company was evacuated Tuesday morning after an "audible" alarm went off inside the building warning of an active shooter.

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Channel 2's Mike Petchenik learned the building was evacuated but some employees hid under their desks during the scare.

"You never expect this thing to happen at work," one worker told Petchenik.

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Petchenik watched as Fiserv employees outside huddled in prayer circle while officers searched the building.

"Thankful to God that we're all out," another worker told Petchenik.

Alpharetta police said they got a 911 call about a person with a gun at the business located at 2900 Westside Parkway.

Officers were called and searched the building floor-by-floor, searching for an armed person. Officer Jeff Ross said an exhaustive search turned up nothing.

"We did our due diligence, we came out, cleared the building completely making sure nobody was there, and everybody turned out to be safe," he told Petchenik.

Police said they aren't sure if someone might have accidentally pulled the alarm that set off the warning. The company released this statement to Channel 2 Action News:

"We have received an unconfirmed report of a weapon on or around the premise.  We have had no reports of any violent activity.  We immediately alerted our security force and the Alpharetta police, who responded immediately.  We are clearing the building to ensure the safety of our associates and the security of our business and will continue to investigate this report."