The Red Cross in Bosnia and Herzegovina can only provide first-aid | Photo: DW/D. Planert
Afghan asylum seekers at the Adasevci reception center in Serbia | Photo by Naser Ahmadi
Afghan refugees in Serbia | Photo: Naser Ahmadi/Infomigrants
Despite fortifications, migrants continue to scale the border between Greece and North Macedonia | Photo:  Imago/ZUMA Press
Migrants and refugees wait in line to receive supplies from the Red Cross at the Vucjak camp | Photo: picture-alliance/dpa
Migrants waiting in front of Croatian police officers near the entrance of a reception center close to Croatia's border with Serbia, in Opatovac, Croatia | Photo: EPA/ZOLTAN BALOGH
Croatian president Kolinda Grabar Kitarovic | Photo: EPA/MALTON DIBRA
Migrants gathering in an abandoned warehouse near the border with Croatia in Adasevac, Serbia | Photo: EPA/KOCA SULEJMANOVIC
A group of migrants attempting to cross into Croatia and gathering around tents erected near the Maljevac border crossing in Bosnia-Herzegovina | Photo: EPA/FEHIM DEMIR
Croatian border policemen keep watch at Maljevac border crossing with Bosnia And Herzegovina as a group of migrants attempting to cross into Croatia. Photo: EPA/FEHIM DEMIR
Migrants at the border between Bosnia and Croatia | Photo: EPA/FEHIM DEMIR
Media reports have shown migrants — including children — with wounds they say were inflicted by police