Thirty-seven people have died in an air strike in southern Niger, local officials say.
They were attending a funeral ceremony in Abadam village on the border with Nigeria when an unidentified plane began dropping bombs, the (BBC) reported.
The incident came as the Nigerian army said more than 300 militants were killed in nearby north-east Nigeria during operations targeting Boko Haram.
Two soldiers lost their lives and 10 more were wounded in Borno state.
Nigerian defence spokesman Chris Olukolade said that a number of Boko Haram fighters had been captured and weapons and equipment seized.
The number of militant deaths has not been independently verified.