Delta Flight 253 from Amsterdam to Detroit has once again been met by police at Metro Airport after reports of "suspicious activity" came from the plane, including a report of a "verbally disruptive passenger," who has since been detained. [CNN]

Update: The New York Times is reporting that the man in custody is a Nigerian man who had locked himself in the airplane's bathroom "for such a long time that the crew requested help on the ground." [NYTimes]