The death of an unarmed Mozambican woman – executed by soldiers – has been immortalised on film, the final moments of her life drawing into sharp focus the bloody toll of those caught between the army and the insurgents.

The woman, who is yet to be identified, is seen walking along a stretch of road with a group of soldiers on her heels.

She is naked, and her pace quickens as the soldiers close the distance while taunting her. One of the troops beats the woman repeatedly with a stick as she screams...