A report from the Guardian on S. Filin:
Sergei Filin remains in hospital and has undergone an operation to restore his sight. Police said on Sunday they had identified the liquid thrown at Filin as sulphuric acid.
Internal politics and fears of his family, in the Telegraph:
Katerina Novikova, a spokesman for the Bolshoi, revealed the disturbing atmosphere of intimidation that Mr Filin, and those in whose footsteps he followed, had faced at the ballet, where 200 dancers compete fiercely for roles.
"Sergei was constantly receiving threats after he took up this post and his predecessors were under attack before him," Miss Novikova said. "But we never thought that this war for roles, not real estate or oil, could reach such a criminal level.
by Mark Monahan in The Telegraph.
And, although the communist era has of course been and gone, the Bolshoi's status is as strong as ever. Its top dancers have rock-star status in Russia, and the company has an influence that extends well beyond cultural circles.
This largely explains why, since the fall of Communism in 1989, the Bolshoi has been so riven with in-fighting.....
Jann Parry, the dance writer, said that the most likely motivation for the attack lay with supporters of Grigorivich and Mr Tsiskaridze. She said: "Grigorovich had a fiefdom that controlled everything, and even though he is now 86, he still has many supporters within the ballet, including Tsiskaridze who say 'Bring back the old regime'.
"Tsiskaridze is incredibly ambitious to become artistic director, at 39 he is coming to the end of his career as a dancer...."