Yusuf Adamu, who was kidnapped by the armed group in Nigeria, talks about his experience with TRT World.
No ransom was paid for the children, a spokesperson for Zamfara state governor said.
Aizada Kanatbekova was abducted for marriage in a practice known as bride kidnapping on April 5 and found strangled two days later, with her suspected murderer who had died from seemingly self-inflicted knife wounds.
Nigerian army rescued 180 people in the early hours of Friday, but around 30 male and female students remain unaccounted for after gunmen attacked a forestry college in northwestern Kaduna state overnight.
"The abducted students and staff have regained their freedom and have been received by the Niger state government," Governor Abubakar Sani Bello says.
The release comes hours after Boko Haram terror group released a video purportedly showing some of the more than 300 schoolboys abducted last week from a government boarding school in the northwestern town of Kankara.
FBI agent Robert Levinson disappeared in Iran under mysterious circumstances more than a decade ago.
Amnesty International says the escalation of fighting in South Sudan's Equatoria region has led to increased brutality against civilians.
The Mexican state of Queretaro is undergoing an industrial boom with its developed infrastructure. But local people face having their loved ones kidnapped by cartels.
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