Iranian rapper Amir Tataloo detained in Turkey - is it drugs or criticism of the government?

Turkish authorities in Istanbul have detained Amir Tataloo, real name Amirhossein Maghsoudloo after he was flagged as a wanted person by Interpol. A popular but controversial figure in Iran, the rapper is known for his outspoken criticism of the country's government. Police said Iran's judicial authorities had made the request for Tataloo's arrest "for encouraging citizens, especially young people, to use drugs, especially psychotropic drugs, and for spreading corruption."