
Zara Djibril fled across the border, she told the BBC that she had seen 21 men being murdered by CAR government forces in Zokoumba village in February.
United Nations agencies are warning that a humanitarian crisis is unfolding in southern Chad.
More than 17,000 refugees from the Central African Republic (CAR) have arrived in the border town of Daha since the beginning of February.

Zara Djibril fled across the border, she told the BBC that she had seen 21 men being murdered by CAR government forces in Zokoumba village in February.
All pictures by Celeste Hicks
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