Story highlights Nigerian army spokesman: Some of those rescued "are psychologically disturbed"

A female hostage and a soldier were killed during the rescue operation, the military says

Amnesty International: Boko Haram has kidnapped over 2,000 women and girls since last year

Kano, Nigeria (CNN) Nigerian troops rescued an additional 160 women and children from Boko Haram within days after they found hundreds of other hostages, the military said Thursday.

"We are still working to verify the actual number of the rescued hostages, but I can say they include around 60 women and 100 children," said army spokesman Sani Usman.

A female hostage and a soldier were killed during the rescue operation at Sambisa Forest, a base for the Islamist extremists.

Troops are moving into other parts of the forest and have destroyed nine militant camps, the spokesman said.

"Many of those kidnapped have undergone psychological trauma and indoctrination," he said.

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