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Hemedti struck a deal with Abdel Aziz al-Hilu, the veteran rebel commander of the Sudan People's Liberation Army-North, which controls the Nuba Mountains near the border with South Sudan.

"We used to get porridge for breakfast but not anymore. So, the children have to wait until the afternoon to have their first meal," says Ms Livio, who fled from South Sudan.

Travelling for work can get lonely, but Akol is constantly bumping into models from her birth country - the lush, but troubled South Sudan.

Flick through a fashion magazine or scan footage of a runway show and you will see Akol's point - models born and raised in South Sudan, or those from the country's sizable diaspora, are everywhere.

Many fled in the years after 2011, when South Sudan became independent from Sudan.