Related Rule
Algeria
Practice Relating to Rule 47. Attacks against Persons Hors de Combat
Section B. Specific categories of persons hors de combat
In 1958, during the Algerian war of independence, in an armed clash between the Armée de Libération Nationale (ALN) and French soldiers, the commander of the ALN battalion gave the order to spare enemy soldiers who wanted to surrender. The four French soldiers who surrendered were the only ones to survive the attack. 
Report on the Practice of Algeria, 1997, Chapter 2.1, referring to “L’opération militaire du 11 janvier 1958”, El Moudjahid, Vol. 1, pp. 298–299.