[BBC News Africa]

Hundreds of people have died in detention facilities in north-east Nigeria as the army tries to crush an Islamist militant rebellion there, according to Amnesty International.

The human rights group said some detainees died from suffocation in overcrowded cells, others from starvation and extra-judicial killings.

In the report, it calls for an urgent investigation into the deaths.

Nigeria’s Interior Minister Abba Moro has dismissed the report as “not true”.

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