HELSINKI, February 17 (RIA Novosti) - A Russian citizen suspected of espionage has been detained in Sweden, the country's media said Friday. A local newspaper quoted Swedish Chief Prosecutor Tomas Lindstrand as saying that the 29-year-old was being held on suspicion of spying for a certain country, but did not name which one.

The paper said the Russian worked as an assistant at a Swedish agricultural university researching plant viruses.

According to Swedish radio, the man had been involved in espionage since January 2005.

Swedish media offered no other details on the investigation.