The measure comes after an extremist Lebanese Muslim cleric mysteriously obtained a valid Nigerian visa.
Nigerian President Muhammadu Buhari has been criticized for taking his time to appoint a cabinet, which remains largely unfilled.
The former secretary of state says airstrikes alone are not enough to defeat ISIS.
About 2,800 refugees were reported dead or missing in 2015.
While thousands of refugees have been arriving daily in Europe, numbers cannot put a face on human suffering.
The International Organization For Migration attributed the increased number of displaced people to the recent spike in Boko Haram attacks.
Nigerian President Muhammadu Buhari and his deputy, Yemi Osinbajo, disclosed their declared assets amid mounting public pressure to do so.
The discovery was revealed only two weeks after the African nation's government heightened security operations.
As pressure mounts for European leaders to find a solution to the crisis, here's a breakdown of where refugees continue to arrive from and what options are on the table for the European Union.
Nigerian President Muhammadu Buhari has cracked down on corruption and Boko Haram’s insurgency.
Nigeria's former minister of works denies the accusations of corruption made against him, saying the Edo state governor’s allegations are “wild and spurious.”
Tens of thousands of Syrians fleeing the conflict in their homeland have descended on Turkey's Aegean coast this summer to board boats to Greece.
The Nigerian naira devalued by N5 to N220 per U.S. dollar as Nigerians seek the United States currency to pay for school abroad and the annual hajj pilgrimage to Mecca.
In 2014 oil prices were above $100 a barrel; now experts say getting above $50 will be difficult with excess supply and a possible economic slowdown.
Adebowale Adefuye's last assignment as Nigeria’s U.S. ambassador was receiving Nigerian President Muhammadu Buhari at the White House in July.
News of the latest attack came the same day as an announcement by Nigeria's security agency about the arrest of 20 prominent members of the Islamic extremist group.
The Nigerian government has vowed to destroy the Islamist militant group, which has been trying to establish a presence in the country's largest cities.
The Dornier-228 aircraft was on its way from the Kaduna Military Airfield to the Nigerian capital of Abuja Saturday.
Nigeria has uncovered a spy cell run by militant Islamist group Boko Haram at the international airport in the capital Abuja apparently aimed at selecting targets for attack, the country's national security agency said.
Ghanaian officials say the Islamic State has recruited two students and targeted universities in the country.
Kenya's capital city has more than 130 bus lines and 3.5 million people who rely on them.
Analysts suggest that Thursday's jump is unlikely to lead to an upward price trend in global oil prices, which have been at historic lows in recent months.