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Artistic director of the Bolshoi's ballet Sergei Filin drying his eye during a press conference at the university hospital in Aachen, Germany, Friday, March 15, 2013. Filin gets medical treatment in Germany, especially on his eyes, after he was attacked with acid in January in Moscow. (AP Photo/Martin Meissner)

Artistic director of the Bolshoi's ballet Sergei Filin drying his eye during a press conference at the university hospital in Aachen, Germany, Friday, March 15, 2013. Filin gets medical treatment in Germany, especially on his eyes, after he was attacked with acid in January in Moscow. (AP Photo/Martin Meissner)

Bolshoi acid attack

Bolshoi Theatre dancer Pavel Dmitrichenko, who played the title role in "Ivan the Terrible" at the famed Bolshoi Theater,  is accused of plotting and carrying out an acid attack on the Bolshoi Theatre artistic director Sergei Filin on Jan. 17.