Newark Liberty International Airport — the second-largest hub for Continental Airlines — was locked down after an unidentified man walk through the wrong side of a checkpoint exit Sunday night.
Passengers who already achieved the ‘sterile’ side of the checkpoint had to be re-checked. Flights could be delayed by about two hours.
Update Jan. 8, 2010: Mystery Kiss Offender — premeditated act, arrest.
Wikipedia: Newark Liberty International Airport
SOURCE: NBC New York Lockdown at Newark Airport