The United Nations children's agency is calling for increased support from the international community as South Sudan edges towards a full scale famine.
Intense violence has displaced more than a million people inside the country.
Fighting erupted in South Sudan last December after months of tensions sparked by President Salva Kiir's decision to fire longtime rival Riek Machar from the deputy president's position.
UNICEF Australia says the unrest is directly threatening South Sudan's children, at risk from malnutrition, poor hygiene and insecurity.
The organisation's James Elder is in South Sudan's capital, Juba.
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
He spoke to Zara Zaher about the challenges faced by humanitarian workers amid the violence.
(Click on the audio tab above to hear the full report)
