Naperville Police Department had an impromptu training exercise Wednesday when they responded to a possible bank heist inside a Naperville Bank.
After receiving a report of a man with a rifle inside Bank of America, 1301 E. Ogden Ave., police surrounded the bank Wednesday afternoon, but deemed the incident a "false alarm."
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Police received a 911 call around 11:14 a.m. indicating that the doors of the bank were locked during business hours and a male armed with a rifle was inside, according to police.
Naperville Police Department units were assisted by the Lisle Police Department who put a traffic control plan in to place and secured the area.
"We surrounded the bank, got everyone out (including workers on the roof) and searched the building," Naperville Police Sergeant Lou Cammiso said in an email. "Everything was clear with no problem."
After further investigation, police determined that the bank was closed for maintenance reasons.
By 1:30 p.m. police had left the scene and the bank remained closed. It is not clear on how long the bank will be closed at this time.