"Partial equipment failure involving jet bridge at #BWI Gate E-10. BWI Fire & Rescue Dept responded, along w/ mutual aid. Preliminary info indicates 6 individuals transported to local hospitals w/ non-life-threatening injuries", the airport said in a statement via its official Twitter feed.
The airport added that an investigation had been launched into the incident and that the jet bridge would be closed until the end of the probe.
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The plane has since departed from the gate. The incident is under investigation, according to the airport's statement.