Donors including the US and the UK have pledged more than $600m in aid to South Sudan at a conference in Norway.
The sum raised will go towards the target of $1.8bn the UN says is needed to help millions facing starvation.
UN humanitarian chief Valerie Amos says it is still possible to prevent a famine in the conflict-torn country.
Thousands have now died in the crisis that started as a political dispute between President Salva Kiir and his
sacked deputy Riek Machar, but escalated into ethnic violence.
(Source BBC News)