The Russian-language edition of the Newsweek magazine has been warned for allegedly insulting Muslims, Moscow prosecutors said.

The magazine published two stories that could be "insulting or humiliating" to Muslims, the Moscow Prosecutor's Office said, adding that an article Tuesday also included one of the 2005 Danish cartoons depicting the Prophet Muhammad.

The magazine published the stories on Muslims in the European Union in late October. It could not be immediately reached for comment. About 20 million Muslims live in Russia.

Under President Vladimir Putin and his successor, Dmitry Medvedev, Russian news organizations have come under increasing official pressure. If prosecutors' warnings are ignored, publications can be fined or threatened with closure.