Moscow chief prosecutor Yury Syomin said the two admitted they committed the act "because there were many people of Asian origin" working at the market.
Five of those killed at the Cherkizovsky market are believed to be from China, and one from Vietnam.
Investigators are still identifying the others.
Terrorism and a dispute between criminals had been among the possible explanations being investigated by police.
(Interfax, ITAR-TASS, AFP)
Epidemic Of Hate
EXTREMISM ASCENDANT: More than half of Russians have xenophobic views, according to a report published in August 2005. In the report, rights groups say that -- despite progress in some areas -- racism, xenophobia, and anti-Semitism remain rife in Russia. But what worries watchdogs most are recent moves by nationalist-patriotic movements to form paramilitary groups....(more)
RELATED ARTICLES
A Timeline Of Recent Racial Incidents
Russian Ombudsman Condemns Hate Crimes
Hate Crime Trial Highlights Mounting Racism
Minister Says Russia Can't Stop Xenophobia Alone
For African Students In Russia, Affordable Education Comes At A Price
ARCHIVE
To view an archive of all of RFE/RL's coverage of Russia, click here.
SUBSCRIBE
For a regular review of civil-society developments throughout RFE/RL's broadcast region, subscribe to "RFE/RL (Un)Civil Societies."
RFE/RL IN RUSSIAN: Visit RFE/RL's Russian-language website, featuring news, analysis, features, streaming audio, and more in Russian, courtesy of RFE/RL's Russian Service.