NEWARK, N.J. (CBSNewYork/AP)The Port Authority of New York and New Jersey will hire a consultant to conduct a security review.

The agency operates the major airports in the New York metropolitan area, along with four bridges, two tunnels, the PATH rail system and shipping ports.

The Star-Ledger of Newark reports Port Authority Chairman David Samson said the audit was not in response to concerns raised by the Port Authority Police Benevolent Association.

The PBA has criticized security at the Port Authority Bus Terminal in Manhattan and at the Kennedy airport monorail.

Eighty-four Port Authority employees died in the attack on the World Trade Center. United Flight 93 left Newark Liberty International Airport before it was hijacked and crashed in Pennsylvania on Sept. 11, 2001.

(TM and Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2011 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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