Riek Machar

The U.S. backed the country in its independence struggle. Now, it is needed again.

A U.S. intelligence agent is assisting with the prosecution of suspects accused of killing a South Sudanese aid worker and raping his foreign colleagues.

The pope had wanted to visit the war-torn country, but ongoing violence between the two main ethnic groups proved too dangerous.

Soldiers killed 114 civilians, raped countless women and attacked funerals in a recent offensive, according to a U.N. report.

Almost half the population face food shortages and 100,000 people are at risk of immediate starvation in South Sudan.

The rest of the 4,000-strong contingent is expected in the country later this year.

Famine is the latest of many man-made predicaments to hit South Sudanese civilians.

Foreign aid workers will have to pay $10,000 for permits.

The silence of political leaders about the plight of their citizens is deafening, a U.N. official writes for Newsweek.

Nearly half the population will not have a reliable food source by summer.

Civil war and famine are raging in the world's youngest country.

Civil war has engulfed South Sudan since December 2013, leaving millions without food.

UNHCR said that 1.5 million refugees have now fled South Sudan.

The U.N. has warned of possible genocide in South Sudan.

Choosing a new leader and preventing genocide are just a couple of the AU's priorities.

The Security Council has failed to impose an arms embargo on the conflict-hit state.

The U.N. Secretary-General writes exclusively for Newsweek as warnings of genocide emerge from South Sudan.

A U.N. human rights commission said that ethnic cleansing was already underway in South Sudan.

Government troops and rebel forces are guilty of serious abuses, a Human Rights Watch report said.

Russia said U.N. mission in South Sudan is "in ruins" after damning inquiry on peacekeepers.

Kenyan head of the U.N. mission in South Sudan was sacked Monday.

Peacekeepers failed to protect civilians from abuse including gang rape, an inquiry has found.

South Sudan's crisis is getting worse, and international bodies are standing idly by.

European and Middle Eastern firms use African middlemen to sell arms to the war-torn state.

Report accused top officials, including Salva Kiir and Riek Machar, of benefiting from the conflict.

Top South Sudanese officials have accrued fortunes during the country's civil war.

Machar fled South Sudan after fighting in the capital Juba in July.

Renewed fighting broke out in the world's newest country in July.

The deposed vice-president fled South Sudan earlier in August.

Kerry met with East African ministers on Monday to discuss possible solutions to the conflict.