It was not immediately clear who was behind the attack on Wednesday against residents of the rural commune of Madjoari, said Colonel Hubert Yameogo, the governor of the East Region.
The victims were traveling to a town in the nearby commune of Pama, close to the borders with Benin and Togo, Yameogo said in a statement.
Islamist militants linked to al Qaeda and ISIS have overrun swathes of Burkina Faso in recent years, part of a wider insurgency across West Africa’s semi-arid Sahel region.
The…