The government and rebels in South Sudan have agreed to end fighting and form a transitional government within 60 days, Ethiopia says.
The regional Igad bloc, mediating the conflict, has threatened sanctions if they fail to abide by the agreement.
It follows a rare meeting between President Salva Kiir and rebel chief Riek Machar in Addis Ababa, Ethiopia.
Thousands have now died in the conflict that started as a political dispute between Mr. Kiir and Mr. Machar, his sacked deputy, but escalated into ethnic violence.
More than a million people have fled their homes since fighting erupted last December.
Ethiopian Prime Minister Hailemariam Desalegn announced the new agreement on Tuesday, after President Kiir and Mr. Machar met on the sidelines of an Igad summit on Tuesday,
Nearly four million people in South Sudan, which seceded from Sudan in 2011, are now at risk of serious food insecurity, according to the UN.
(Source BBC News)