As many as 3,000 people fled to neighboring Dori, where aid agencies are located, a local official said.
Terrorist groups linked to Al-Qaeda and the Islamic State frequently carry out violent attacks in that region.
A total of 40 animators and group leaders shared their concerns and hopes during a meeting in Niamey in this month of March.
An additional nine people were killed in an attack on an informal gold mine located in Oudalan province.
On Friday evening, President Mohamed Bazoum announced the liberation of Boko Haram terrorists.
Jihadists have had control over much of Northern Mali since a coup attempt in 2012
“Most of the victims were murdered in a cowardly manner, their throats slit,” another, unnamed official told AFP.
Thousands of other people have also been displaced, pushed from their homes and lands due to the conflict.