The Hungarian government led by Prime Minister Viktor Orban has been under the spotlight recently over its controversial approach to migration during the last year.

Hungary will hold a referendum on Sunday over European Union refugee quotas. The referendum is widely seen as the second anti-EU vote after June's seismic decision by British voters to leave the bloc.

Sunday's referendum will ask Hungarians: "Do you want the European Union to be able to mandate the obligatory resettlement of non-Hungarian citizens into Hungary even without the approval of the National Assembly?"

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