Two journalists look at the screen showing the damaged world famous painting of the 16th century Russian Tsar, titled 'Ivan the Terrible and his Son Ivan on November 16, 1581.' by Ilya Repin during a press conference at the Russian State Tretyakov Gallery in Moscow on May 28, 2018. Russian police on Saturday said they arrested a man for vandalising one of the best known works of 19th century painter Ilya Repin, depicting Ivan the Terrible killing his son, at a gallery in Moscow. (Photo/Agencies)
Russian State Tretyakov Gallery officials attend a press conference after Ilya Repin's world famous painting of the 16th century Russian Tsar, titled 'Ivan the Terrible and his Son Ivan on November 16, 1581.' was damaged in Moscow on May 28, 2018. - Russian police on Saturday said they arrested a man for vandalising one of the best known works of 19th century painter Ilya Repin, depicting Ivan the Terrible killing his son, at a gallery in Moscow. (Photo/Agencies)
A Russian State Tretyakov Gallery employee stands near the blank space where Ilya Repin's world famous painting of the 16th century Russian Tsar, titled 'Ivan the Terrible and his Son Ivan on November 16, 1581.' was exhibited in Moscow on May 28, 2018. - Russian police on Saturday said they arrested a man for vandalising one of the best known works of 19th century painter Ilya Repin, depicting Ivan the Terrible killing his son, at a gallery in Moscow. (Photo/Agencies)