"The gruesome videos of an apparent massacre by pro-government militias in Burkina Faso underscore the pervasive lack of accountability of these forces," Ilaria Allegrozzi, senior Sahel researcher at HRW, said in the statement. The incident took place in and around the city of Solenzo on March 10 and 11, the rights group said.

Human Rights Watch says video footage circulating on social networks of a recent civilian massacre in Burkina Faso appears to implicate government-allied militia