PALM BEACH COUNTY, Fla. - Just before 9:30 Monday morning an armed, masked man stuck up the TD Bank at Northlake Boulevard and US-1 in North Palm Beach, according to the FBI.
The bureau said he demanded money from an employee and a witness said he roughed up a few people in the process.
There were customers inside the building at the time.
The FBI confirms three bank employees were injured during the robbery and hospitalized.
North Palm Beach police and the Palm Beach County Sheriff's Office SWAT team responded to the scene.
SWAT members began entering the building at noon. They left about an hour later.
The suspect apparently got away with an undisclosed amount of money before the SWAT team got inside.
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Employees at the Wendy's next to the bank were initially evacuated. They were later allowed to return to work.
Police taped off the TD Bank building and turned the investigation over to the FBI.
If you have any information you are asked to call the FBI at 305-944-9101 or Palm Beach County Crime Stoppers at 1-800-458-TIPS.
NewsChannel 5's Alex Sanz and Christina Noce contributed to this report.