EPA Migrants on their way to the EU gather in Belgrade

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Head of the Berlin Institute for Population and Development Dr Reiner Klingholz warned in an interview that while some immigration, within limits, was useful there were dangers of accepting too many. He said: “Germany needs workers. But if we let everything run its course, too many people will come. “We have already experienced it in Germany; if we accept as many refugees as last year, the government is threatening to lose its ability to act.”

Gety German chancellor Angela Merkel poses for a selfie with a migrant from Syria

if we let everything run its course, too many people will come. “We have already experienced it in Germany; if we accept as many refugees as last year, the government is threatening to lose its ability to act Dr Reiner Klingholz

If Germany continued to take in yet migrants, Mr Klingholz predicted, it ccould see more extreme parties that have “simple answers” gaining power. Mr Klingholz described his approach to the growing problem of migration from Africa and the Middle East as “realistic”. He said: “It is flimsy to make false promises. If they say: everything is good in Europe, please come here. An integration of these people is only possible if they can find work here. The quantity can not be dealt with. Aside from the fact that the flight of these people is anything but humane at the moment.”

Mr Klingholz also condemned the people smugglers operating in these countries saying the migrants were being “exploited from the first step” saying that they were being charged significantly more for drinking water or a place on a truck than would be charged for a local person. In an interview with the German newspaper Welt, Mr Kllingholz, 63, warned: “The thing that makes the number of migrants decrease as the moment is the European Union’s restrictive measures, the fences in the Spanish enclaves or the Frontex ships in the Mediterranean.” The news comes after the Institute of Directors criticised the government’s goal of making firms do more to employ British people as “arbitary and illogical” and added that the any hopes of clamping down on migratin were impossible to meet.

EPA Migrants on their way to the EU gather at the bus station in Belgrade

Seamus Nevin, the author of the IoD report said: "The Leave majority was, in part, a vote of no confidence in how successive governments have managed immigration. "Dissatisfaction with policymakers was exacerbated by the Government under-delivering on a promise to bring the number of migrants down to 'tens of thousands'. “The persistence with this target is hard to understand, and we beg the Home Secretary to think again. Despite the IoD report a recent study by MoRI on people’s views on migration found that 42 per cent of people in the UK had concerns regarding immigration.