According to initial reports, the Uzbeks were stabbed repeatedly after becoming involved in a brawl with up to 20 drunken youths.
No motive has been established.
Police have detained several suspects.
(with material from Interfax)
THE FRAGILE PLANET: Since the collapse of the Soviet Union, old environmental disasters have come to light and new ones have emerged. War, poverty, and weak central-government control have led to serious environmental problems from Eastern Europe to the Russian Far East. RFE/RL has provided extensive coverage of these important issues and of efforts to cope with them.