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Of the region’s 20 million people, 9.2 million are now in need of life-saving assistance, while severe acute malnutrition rates for children under five have surpassed the emergency threshold in the affected areas of four separate countries: Cameroon, Chad, Niger, and Nigeria.In a statement to the UN Security Council last week, O’Brien said: “this region, which hosts Africa’s fastest-growing displacement crisis, needs our urgent, united and collective attention.” It is not just the 2.8 million people forced from their homes by the Nigerian jihadist group Boko Haram that are in need, but also the local host communities that are sheltering the bulk of the displaced.Dr Rios said: 'The new four-horned extinct giraffid Decennatherium rex from Cerro de los Batallones sheds light on the evolution of the giraffid family and the extinct giant Sivatherium.'The giraffe's extremely long neck has allowed the animals to fill a niche on the African Savannah, by allowing them to reach vegetation high above the ground.

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It features 24 hours of battery life and claims to be a 'mini-disco on the move'.

A deepening but often overlooked humanitarian crisis in West Africa’s Lake Chad region has been described “as the new terrible” by the UN’s top relief official, Stephen O’Brien.

The giant relative of modern giraffes lived over one million years ago in both Africa and Asia.

Unlike the giraffes of today, Sivatherium had a short neck, with short, stocky legs. The giraffe's extremely long neck has allowed the animals to fill a niche on the African Savannah, by allowing them to reach vegetation high above the ground.

Decennatherium was likely the earliest-evolving example of this lay-out, said the researchers.

Scientists say the newly described 'giraffid', which is the most complete fossil of its kind, may help trace their evolution.

He moves to the shade of the veranda of a classroom in the camp’s school, where he teaches, to avoid the scorching sun.

A staunch Christian, he is fasting in the hope that his prayers will be better heard, and is feeling weak as a result.

The findings suggest that the ancestors of the world's tallest mammal migrated out of Africa - just like humans.

The remarkable discovery could also help shed light on how the giraffe got its long neck - a question that has mystified experts for decades.

Scroll down for video Decennatherium rex was up to nine feet tall and around the same length - about half the size of a modern giraffe.

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