Serbian President Aleksandar Vucic has confirmed his intention to attend the Victory Day parade in Moscow on May 9, despite significant pressure from the European Union, according to the Associated Press. European officials have warned that such a visit could be seen as a violation of the EU membership criteria and may impede Serbia 's future accession to the bloc. The decision to attend the parade is seen as an endorsement of Russian President Vladimir Putin and his war in Ukraine. Vucic , who