Justin Bieber's tour bus searched in Sweden, officials find drugs and a stun gun

Justin Bieber visits "Late Night With Jimmy Fallon" at Rockefeller Center on Feb. 5, 2013, in New York.
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Justin Bieber
Theo Wargo/Getty Images

(CBS/AP) STOCKHOLM - Swedish police say they found drugs and a stun gun on Justin Bieber's tour bus on Wednesday.

Authorities reportedly smelled marijuana coming from inside the bus while it was parked outside the hotel where the pop star was staying. They searched the empty vehicle during the concert and found a small amount of drugs. The findings were sent to a lab for analysis.

Lars Bystrom, spokesman for the Stockholm police, declined to identify the drug, saying that it was sent to a lab for analysis. He said no one was arrested since the bus was empty at the time of the search.

The drug bust is the latest in a string of controversial incidents along Bieber's European Tour. In Germany, he had to leave his pet monkey in quarantine because he reportedly did not have the necessary papers for the animal.

He struggled breathing and fainted backstage in Britain, and caused controversy in Netherlands when he wrote on a guest book at the Anne Frank Museum that he hoped she "would have been a Belieber."

Bieber left Sweden on Thursday afternoon for his next stop on the tour in Finland.