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(TMZ) - UPDATE 12:59 PM PT -- TMZ reports all passengers have now been released. No drugs were found. 


Justin Bieber's private jet touched down outside NYC for the Super Bowl -- and authorities immediately held him for questioning ... because of a strong odor of pot coming from his plane ... TMZ has learned.

TMZ reports the plane was stopped after it arrived at Teterboro airport in New Jersey.  As TMZ reported ... Justin, his dad and some friends were traveling there for Super Bowl parties.

Sources tell TMZ law enforcement is holding the plane ... because they think there may be marijuana on board.  According to TMZ, the plane and the passengers are currently being searched ... but so far no pot has been found.

A source close to Bieber tells TMZ, the passengers knew they'd be searched ... since they were flying into the U.S. from Canada.

Story developing ...

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