(CNN)A trash-strewn field along the Hungarian-Serbian border served as the latest flashpoint in Europe's migrant crisis Monday as people grew weary of waiting for days in primitive conditions to resume their journey to safety.
The question on all their lips: "Why are they treating us like this?"
At times, the migrants -- most of them from Iraq, Syria and Afghanistan -- tussled with police blocking a road from this holding site to a transit camp near Roszke, Hungary, where they can register as refugees and continue their journeys.
Buses were carrying small numbers of migrants to the camp, but many have been forced to wait at the holding site for as many as three days with little in the way of services or support.
One Hungarian nonprofit was on site handing out biscuits, fruit and water, and a medical tent was erected Monday.