Chadian fighter jets dropped bombs Saturday on the Nigerian town of Gamboru, which is occupied by Boko Haram insurgents.
United Nations Secretary-General Ban Ki-moon announces support for deployment of the African Union soldiers at a summit in Ethiopia.
Increasingly violent Boko Haram attacks have already scattered more than a million: Food and other supplies are running low.
The bloc has backed a plan that calls for the creation of a regional five-nation force of 7,500 troops to fight the militant group.
The town of Malumfatori was recaptured from Boko Haram fighters on Thursday by Chadian forces.
A spokesman for Boko Haram said his group is prepared to begin governing people in a caliphate and urged displaced Nigerians to return.
The Nigerian military "woefully and repeatedly failed in their duty to protect civilians," Amnesty International said this week.
The seven foreigners, and four Indonesians, were denied clemency by the president. The government says they will be executed this year.
Nigerian forces battled Boko Haram militants in clashes that killed 200 combatants.
The extremist group is reportedly engaged in fierce fighting with the Nigerian military, which is responding with airstrikes and ground troops.
The militants released young men, women and children who were kidnapped on Jan 6. At least 20 other people are still being held.
Secretary of State John Kerry is expected to speak with Nigerian President Goodluck Jonathan and leading challenger Muhammadu Buharim.
Global health care leaders at the World Economic Forum reveal lessons learned from the latest Ebola outbreak.
Technical issues struck about 10 million people from voter rolls, leaving many with no voter ID cards ahead of the ballot.
The video purports to show the Islamist militant group's leader claiming the attack on the Nigerian town that killed thousands of civilians.
Read the full text here of Sen. Joni Ernst's Republican Address in response to the president's State of the Union.
Making payments via cell phone isn’t just convenient -- it could spur economic development in Africa.
Neighboring Cameroon and Chad have been drawn into the Nigerian conflict.
Australia has been seeking clemency for the two members of the so-called Bali Nine, who were arrested in 2005 on charges of smuggling heroin into Australia.
Early reports indicate about 80 people, most of them children, were kidnapped by the Islamist militant group Sunday morning.
The five foreigners and one Indonesian were killed by firing squad shortly after midnight, the Attorney General's Office said.
"Today's march is a strong signal, a warning to Boko Haram," Chad's prime minister says Saturday.