BUDAPEST (Reuters) - Hungary is facing a frontal assault from U.S. financier George Soros who is attacking the country via his non-government organizations and European Union bureaucrats, a top ruling party politician said on Monday. Fidesz Vice Chairman Gergely Gulyas said Soros  claims that the Hungarian government lied in its campaign against him were  not substantial , adding the billionaire and the European Union pushed the same pro-migrant agenda. He rejected charges by Soros that the government s campaign stoked anti-Muslim sentiment and employed anti-Semitic tropes. 