Sudan is now the world’s largest and most devastating humanitarian crisis, the head of the UN Children’s Fund (UNICEF) warned on Thursday. After two years of war, over 30 million people – more than half of them children – are living in the grip of mass atrocities,

The head of the U.N. children’s program, UNICEF, said Thursday that 16 million children in Sudan are suffering horribly from the country’s civil war, with many facing daily threats of violence, starvation, disease and sexual assault.

A report issued by UNICEF investigators described horrific abuses, affecting children as young as 1 year old, in the civil war in Sudan.