Neither did Irish Minister for European Affairs and Defense Thomas Byrne, who told the newspaper that Ireland was "aware of Russia's involvement in such operations." Hacker attacks on the refrigeration systems of supermarket chains in European countries were reported in the past, which the Western media also blamed on Russia. The European Commission called for caution in statements about the existence of "Russian traces" and Moscow's involvement in the attacks. On November 5, Russian President Dmitry Peskov's press secretary called such European accusations "absurd" and emphasized that they had "no arguments or evidence."