The United Nations has temporarily suspended humanitarian services in South Sudan.
The decision to suspend the service follows the killing of two local aid workers in the Pibor area, eastern South Sudan.
One of the victims, who worked for child rights organization Plan International, was shot dead last Thursday by unidentified gunmen on a road near Pibor town.
The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) said a community mobiliser working for a local non-profit organization was killed a day later by armed youth while returning on foot from delivering humanitarian services to children and new mothers affected by violence in the area.
Meanwhile, the Humanitarian Coordinator in South Sudan, Alain Noudéhou, has condemned the violence.
The killings bring the number of humanitarian workers so far killed this year in South Sudan to nine.
A total of 124 aid workers, mostly South Sudanese, have died in the line of duty since conflict erupted in the country in late 2013.
