United flight turns back to Ireland for 'security concern'
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A United Airlines flight over the Atlantic has turned back and landed in Ireland because of what the airline called a "potential security concern."
A United spokeswoman said Monday that passengers and baggage would undergo more security screening before the flight resumes.
The spokeswoman is declining to give additional details about the security issue.
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According to tracking services, Flight 971 was flying from Rome to Chicago and had just passed Ireland when it turned back and landed at Shannon Airport.