Related Rule
Ukraine
Practice Relating to Rule 6. Civilians’ Loss of Protection from Attack
Section B. Presence of combatants among the civilian population
Ukraine’s IHL Manual (2004) states: “The presence within the civilian population of individuals who do not come within the definition of civilians does not deprive the population of its civilian character and of its protection under international humanitarian law.” 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, § 1.2.32.