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

Militias allied with Burkina Faso's military junta have been linked to a "gruesome" massacre western Burkina Faso that left dozens dead this week, Human Rights Watch said late on Friday.

A massacre in western Burkina Faso, attributed to militias allied with the military junta, has raised alarms after videos revealed dozens of dead, including women and children. Government officials dismissed these as disinformation.

Pro-government militias in Burkina Faso are implicated in video footage circulating on social networks showing the massacre of dozens of civilians in and around the western city of Solenzo on March 10 and 11,