Several hundred people protested Sunday in Bihac against the influx of migrants, warning about risks to security and health.
Bosnia, spared the big migrant wave of 2015, is now seeing an influx of people trying to reach wealthier nations via neighboring Croatia, a European Union member.
About 25,000 people from Asia and North Africa entered the Balkan country from Serbia and Montenegro last year, and about 9,000 have arrived this year.