More information developing on arrest of hackers in Russia. The FSB is the Russian government internal security service, which comparable to the FBI in the US.
More information than before, but the picture is still unclear and the Russian authorities have not clarified yet.
The Moscow Times in an English language paper, but the translation from Russian of the second seems to be originated by machine rather than the work of a competent human translator.
Second FSB Agent Arrested for Treason Revealed as Notorious Hacker