moscow attackers set fire build use russian director whose film last czar romance ballerina condemn religious conservatives russian news agencies report thursday molotov cocktail throw window ignite fire build city st petersburg house among organizations studio director alexei uchitel news agencies report fire cause minor damage part build occupy different film studio lendok uchitel forthcoming film call matilda repute love affair tsar nicholas ii coronation ballerina mathilde kschessinska conservatives call film ban say besmirch reputation late czar russian orthodox church designate saint family execute soon 1917 bolshevik revolution think motivation attack reaction alexei uchitel make film mathilda tass news agency quote lendok director alexei telnov say attack result break windows burn window sill part lendok premise use movie view concert conferences miracle big fire agency quote telnov say spokesman st petersburg police tell reuters officer make check fire smoke spot studio address assistant telnov say busy make film could comment uchitel representatives could reach comment uchitel movie release october natalia poklonskaya member russian parliament say ask prosecutors film release stop say would insult religious feel believers arsonists attack build use controversial russian director