Germany’s Interior Minister Nancy Faeser travelled to Sarajevo on Tuesday for an unannounced working visit in an effort to curb irregular migration via Bosnia-Herzegovina to the European Union and Germany. The number of unauthorized entries via the Balkan state has recently risen. Government sources in Berlin said Tuesday evening that topics discussed with government representatives included border protection, cooperation on repatriations, visa practice and the fight against organized crime. Since Serbia has tightened checks at its airports, more people have been travelling to Germany via Sara…