Updated

The Latest on the flow of migrants into Europe (all times local):

4:25 p.m.

Hungary's prime minister has repeated his strong criticism of the European Union's migration policies, saying massive African migration flows will reach Europe in the coming decades.

Viktor Orban said Monday in Parliament that if many migrants are allowed in the EU, higher birth rates among Muslims will mean that "Europe will no longer be recognizable."

Orban said that the fences built by Hungary on its southern borders with Serbia and Croatia to stop the migrant flow were the proof of the "impotence of Brussels" regarding EU migration issues, and called for them to be be regulated at the national level.

Orban said Hungary's opposition to any future EU quotas to resettle migrants would be reinforced by the expected success of the Oct. 2 government referendum on the issue.

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3:55 p.m.

Romanian border police have questioned 30 migrants who are suspected of illegally entering Romania from Serbia.

Police used heat-detecting equipment to spot the migrants, 29 Afghans and a Pakistani man, who were hiding in fields early Monday on the border between Serbia and southwestern Romania.

Border police and local police rounded up the men and drove them to the local border police headquarters for questioning.

A statement said none of migrants was carrying documents. They told Romanian authorities they wanted to reach western Europe.

Romanian police have contacted Serbian police to help with the probe.