Serbia has ended visa-free travel from Tunisia and Burundi, after weeks of pressure from top EU officials to tackle sharply rising migration routes through the Western Balkans. From 20 November, Tunisians will need to apply for a visa before arriving in Serbia, which had been one of the last European countries to allow visa-free travel from northern Africa. “I hope Serbia is acting fast now,” Germany’s interior minister Nancy Faeser had said during a meeting with her EU counterparts earlier in October. “There are criteria for being a member of the EU, and part of that is a common visa policy,”…