“Without a stronger effort to protect civilians and accountability for abuses, the situation can only get worse," a researcher said.
Chadian strikes killed several dozen Boko Haram fighters in the Nigerian village of Djaboullam, said a senior Niger official.
Victims of the terror group's "killing and maiming spree" are discovered as international troops retake lost Nigerian territory.
A government minister rejected a rights group report that accused the Cameroon army of abuses.
The Nigerian militant organization declared its allegiance to the Islamic State group on Saturday.
Nobody has claimed responsibility for the three bombings that killed at least 47 people Saturday, but the Islamist militant group is the prime suspect.
Militant fighters have reportedly told town residents to flee to avoid being killed in the crossfire of an anticipated battle.
Charly Keundeu Keunang was previously arrested under a false identity he stole from a French man.
Two countries refused to repatriate the man who was killed by Los Angeles police.
The video, which is the first part of a series the group has entitled “Harvest of the Spies,” depicts militants killing two men they accused of spying.
Police called it a "mob action carried out by an irate crowd" in the northeastern city of Bauchi.
Some 5,000 people marched in Cameroon protesting against the Boko Haram insurgency in Nigeria. Fighting between the terrorists and coalition forces has intensified.
“We will track Hezbollah’s illicit activities to all corners of the earth,” said a U.S. Treasury release.
At least 36 civilians were killed when a military plane bombed a funeral party in a Niger border village, the government said, in an incident its deputy mayor blamed on the Nigerian air force.
In recent weeks, the Nigerian army has conducted several operations to retake territories captured by Boko Haram.
Among those arrested since Feb. 6 was a prominent Boko Haram member called Kaka Bounou.
Most of those killed were children selling peanuts or begging for money.
Explosions and gunfire could be heard after the fighters overwhelmed a checkpoint at the edge of the city.
After a boom in cocoa prices last year, Valentine's day chocolates may be more expensive than ever -- but not for long.
Boko Haram continues to attack villages in northeastern Nigeria, but it's also pushing into neighboring countries.
At least five civilians were killed in the Nigerian insurgent group's first attack inside chad early on Friday.
The latest Boko Haram attack, carried out by a female, reportedly killed at least seven people in the city of Biu, in Borno state.