At least seven people are being treated for burning eyes and breathing difficulties after a suspicious package was found at the Tampa International Airport’s post office on Wednesday morning, according to reports.

Authorities evacuated the post office before Tampa Police sent in its bomb squad to assist. At least seven people have since been treated for burning eyes or difficulty breathing, according to a Tampa Fire Rescue spokesperson who spoke with Fox 13.

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A reporter with Bay News 9 claimed some of the employees at the post office were nauseated by “chemical odors” while sorting mail. Tampa Fire Rescue spokesman Jason Penny did say employees complained of a "vinegar or bleach" smell.

“There does not appear to be a threat to the public at this point," Penny added.

A representative for the airport was not immediately available to issue a statement.

The airport’s post office is not connected to the airport itself, according to Fox 13, and is not accessible by passengers.

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This is a developing story.