Around 1,000 students have been kidnapped in the west African country since December after gangs started to hit schools. Most have been released after negotiations, but scores are still being held in forest camps.
More than 80 students and five teachers have been kidnapped from the Federal Government College in Kebbi state, the third mass kidnapping in three weeks in northwest Nigeria.
"The abducted students and staff have regained their freedom and have been received by the Niger state government," Governor Abubakar Sani Bello says.
From Saturday, 68% of England's population will be in Tier 3 and 30% in Tier 2.
Thousands march against lacklustre education system while others protest with giant "asteroid" balls and half a dozen T-Rex characters representing the country's "political dinosaurs".
President Lukashenko defies an ultimatum to surrender power by midnight, challenging his opponents to make good on a threat to paralyse the country with strikes, nearly three months after his disputed election victory unleashed mass protests.
China's new health strategy is raising safety and ethical concerns as some cities offer experimental vaccines that are in the final stage of trials but have not yet been approved.
Black-clad protesters also occupied university campuses, while office workers endured another day of transport chaos with suspensions on the vandalised train network and roads blocked by barricades.
Chile's president declared a state of emergency in Santiago and gave the military responsibility for security after a day of violent protests over increases in the price of metro tickets.
Thousands rally against proposed new laws, including a criminal code that would ban extramarital sex and penalise insulting the president's honour.
Pressure on children to succeed in Hong Kong's vaunted but highly competitive education system sometimes comes at the expense of sleep and play. A charity formed by a group of parents and concerned people is trying to change that.
Students are finally returning to the University of Mosul to resume their education after the Iraqi forces liberated many parts of the city from Daesh as a result of military campaign launched in October.
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