Bulgaria's prime minister has appealed for calm over violent unrest at the country's largest migrant camp as the European migrant and refugee crisis rises to prominence again.
Protesters face charges and possible extradition back to Afghanistan over what the Bulgarian government is terming a riot.
Prime Minister Boiko Borissov has warned against anti-refugee reprisals that could make his country a terrorist target.
Tensions had been brewing among the thousands of migrants and refugees housed at the Harmanli migrant camp, close to Bulgaria's border with Turkey.
There has been widespread concern about conditions at the centre and when it was quarantined over claims of an infectious skin-disease plague, residents tried to break out.