Tamás Deutsch said Brussels bureaucrats were "forcing the war doctrine" and were "not bothered about the fate of Ukrainians".
The EP, in a plenary session on Wednesday, held a vote on the legislative assembly’s plans regarding the 2026 European Union budget.
Csaba Dömötör said Fidesz MEPs would again submit their requests for information. "If we're denied entry through the door, we'll knock again ... but more firmly," he said.
Fidesz MEPs called for "using every means to oppose the openly expressed objective of Brussels to artificially accelerate Ukraine's EU accession through defense industry integration".
The EP proposal condemns Hungary "for its pro-peace stance" and for vetoing earlier this month the European leaders' proposal to send weapons to Ukraine.
Péter Magyar said later on Wednesday that his signature had appeared on the document by mistake.
Tamás Deutsch said that at the root of the "incredibly irresponsible political cold war" were "attempts in Brussels to create an empire", to which sovereign member states were a hindrance.
Red tape for small and medium-sized enterprises should be reduced and environmental protection measures should not hinder economic performance and competitiveness.
Tamás Deutsch said it was yet to be seen "how the Soros-linked globalist Brussels elite will respond to the significant political change that has taken place in the Western world".
"Many people in the European Parliament often cite the freedom of speech and basic values of constitutionality. It will now show how much they take them seriously," Csaba Dömötör said.
The Hungarian and Italian governments share the position that illegal migration must be stopped while real refugees can enter Europe.
Viktória Ferenc said she hoped that the Ukrainian government and Ukraine's minorities could "cooperate constructively" to restore minority rights in their country.
Hungary has so far spent some 2 billion euros on border controls and "deserves an award rather than punishment", PM Orbán said.