Civil society groups funded by billionaire George Soros denounced Hungary’s prime minister Viktor Orban on Sunday, for calling on his country’s security services to investigate the liberal philanthropist’s “network” and people associated with it. Mr Orban accuses Budapest-born Mr Soros of buying influence in the European Union and pressing it to admit millions of mostly Muslim immigrants, whom the Hungarian leader describes as a deadly danger to the bloc’s security and identity. “The Soros network has an extensive sphere of influence within the European Parliament and other EU bodies, and its aim is to build a Europe of mixed population and to condemn the Hungarian government for opposing their view on migration,” Mr Orban said on Friday.