LAGOS (AFP) — A US documentary filmmaker and journalist detained for spying in Nigeria’s volatile oil-rich Niger Delta has been released, police and a Paris-based media watchdog said Wednesday.

“I can confirm that Andrew Berends has been released,” a senior police officer in Rivers state told AFP, without giving details. The Paris-based Reporters Without Borders (RSF) said it was “relieved” Berends had been released, but said he had been interrogated for 10 consecutive days by the police.

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