The discharge occurred around 1:30 p.m. at the airport's security screening area, airport officials said on Twitter.
Details about the weapon or circumstances surrounding the accidental discharge have not been made available. "We thought they were late for a flight, and then more and more people started running," she told CNN's Jim Acosta. "There was some screaming and then somebody stopped and said, 'There's a shooter, you need to go.'"
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