Villarosa said the 100,000 figure was not a confirmed death toll but was based on estimates provided by an international non-governmental organization.

The new order will require an international non-governmental organization (NGO) seeking to work in South Sudan to pay $3,500, up from $600.

It receives funding from assorted national governments and international non-governmental organizations.

For those still at the hotspot, food, shelter and toilets are provided by UNHCR and Greek and international non-governmental organizations.

The war-ravaged nation counts 130 international non-governmental organizations and 500 local ones, including civil society groups, Kenjok said.