Earlier, a court in Russia's central Lipetsk Oblast had ruled against his extradition to his home country and ordered his release. Muminov is wanted in Uzbekistan on religious-extremism charges that he denies.
The ferghana.ru news agency quoted Civic Assistance's Yelena Ryabinina as saying Russian authorities have notified the Strasbourg-based European Court of Human Rights that they have opened a criminal investigation into Muminov's deportation.
The European Court of Human Rights has urged Russia to not deport Muminov.
Uzbek refugees in Kyrgyzstan on May 19, 2005 (epa)
NO PLACE TO GO: More than 400 Uzbeks who fled in panic in the hours and days after troops opened fire on demonstrators in Andijon one year ago have been granted political asylum outside Central Asia. In limbo for weeks in Kyrgyzstan as they and the world tried to come to grips with the bloody events of May 12 and 13, they feared for their lives and the lives of family members as the official crackdown continued.... (more)
For an annotated timeline of the Andijon events and their repercussions, click here.