It's an old problem, but, as European policymakers meet in Sweden on the subject, we have new ways to take action. Europe has spent much of the past decade focused on policies to tackle the threat of Islamist extremism. However, so far this year, far-right extremists have once again featured in Europe's headlines, from their role in violent protests in Ukraine, to the streets of Greece, where crime against minorities has become an everyday occurrence.
Contrary to what some may believe, it is not just eastern and southern Europe that face violent challenges. Last year, Germany's domestic intelligence service released estimates of 21,750 rightwing extremists in Germany, with 9,500 classified as potentially violent.
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