The United Nations says an aid worker was killed in South Sudan when gunmen shot at his agency vehicle.

The United Nations Security Council unanimously adopted a resolution Thursday renewing for a year its peace mission in South Sudan, while also threatening to later impose an arms embargo if necessary.

More than six million people, up about 40 percent from a year ago, in South Sudan are at threat without aid, according to the report released by the United Nations and South Sudan’s government.

South Sudan says it does not trust a UN probe of sexual abuses committed by its own peacekeepers against civilians at a protection camp.

One year after South Sudan briefly declared a famine, more than half of the people there face extreme hunger amid civil war and famine could return, a report says.

The failure of the recent peace talks in South Sudan has raised the possibility of renewed fighting.

The latest report on human rights abuses in South Sudan's five-year civil war, released by a United Nations commission, says it has identified more than 40 senior military officials "who may bear individual responsibility for war crimes."

The United Nations says journalists in South Sudan were killed, beaten, detained, denied entry or fired for doing their jobs in over 60 incidents.

About 224 million people are suffering from malnutrition across Africa as climate change and conflicts heighten food insecurity across the continent.

Scandal-hit British charity Oxfam faces fresh claims of sexual assault and rape, this time between aid workers in South Sudan.