A death march is a forced march of prisoners of war, other captives, or deportees in which individuals are left to die along the way. It is distinct from simple prisoner transport via foot march. Article 19 of the Geneva Convention requires that prisoners must be moved away from a danger zone, such as an advancing front line, to a place that may be considered more secure. It is not required to evacuate prisoners who are too unwell or injured to move. In times of war, such evacuations can be difficult to carry out.