Croatian police say nearly 6-thousand refugees have entered the country - they were forced to change their route after Hungary closed its border.
They'll now be taken to reception centres near Zagreb.
Meanwhile, Hungary's facing huge international criticism over its treatment of refugees when clashes broke out on its border with Serbia.
Police fired tear gas and used water cannon - UN Secretary General, Ban Ki Moon says he's "shocked" by what he saw.
Tirana Hassan, Director of Crisis Response at Amnesty International, says it's not clear if the response was proportionate:
