Originally Posted by
trek604
What would happen if you were on a YVR-YYZ flight, in possession of pot, which diverted to ORD in case of emergency? Then you would have transported narcotics across the American border. Wouldn't want to be busted for that lol. The Americans would probably bar you from the country for life.
The passengers would like have to stay on the plane or be put in a detention area where they have not legally entered the US; most likely would not be carrying their passports. I was once on a plane that was diverted to Ireland for medical reasons and no one was allowed off.