GETTY Viktor Orban, left, is actively running an anti-EU campaign

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Mr Orban, who has been at loggerheads with the EU for years, has clashed with his continental counterparts over immigration and economic policy. Despite receiving funding from EU coffers to pay for the railway line, according to Spectator International, Mr Orban is happy to use the vehicle as a billboard to advertise his nationalist message. The "Let's Stop Brussels!" campaign has seen every household in Hungary sent a questionnaire asking them how the nation should deal with various issues posed by EU membership.

The 53-year-old leader of the Fidesz party, who was jokingly called a dictator by Jean-Claude Juncker at an EU summit in 2016, was hauled before European officials to account for human rights concerns emanating from the former Soviet satellite state. After he founded a set of border patrols and reinforced giant fences to prevent migrants from passing through his country, he also sought to shut down a university funded by George Soros.

Meet Hungary's border hunter police Thu, March 9, 2017 Border Hunter Police in Hungary undergo rigorous training, including assembling pistols blindfolded, and judo Play slideshow REUTERS 1 of 19 Hungarian border hunter recruits learn judo moves

Mr Orban stated hew wanted to "amend" Hungary’s higher education system, but his measures were clearly targeted at one institution, the University of Central Europe. A source close to those involved in the heated exchange with Mr Orban told EU Reporter: "The constant attacks on Europe, which Fidesz has launched for years, have reached a level we cannot tolerate. This consultation has been deeply misleading.

TWITTER The sign was spotted on an EU-funded train in Hungary

"The European Union was founded by visionary representatives of the EPP, and our convictions are deeply pro-European. We do not have to remind Viktor Orbán, of all people, that decisions in Brussels are taken collectively by European governments, including his Hungarian government, and by the European Parliament, which includes representatives of the Hungarian people." Ironically, this is not the first time Mr Orban has been accused of using EU-funded trains for his own gain.