U.S. border agents stopped a bus touring with Canadian pop star Justin Bieber Sunday night, while entering Detroit on the Ambassador Bridge.
Chief Customs and Border Protection officer Ken Hamond told CTV News a search of the tour bus revealed an unspecified amount of marijuana and drug paraphernalia.
However Bieber was not on board.
The driver of the bus was issued a citation and was released.
The bus was headed to a concert at Joe Louis Arena.