Related Rule
Practice Relating to Rule 8. Definition of Military Objectives
Section I. Presence of civilians within or near military objectives
Ukraine’s IHL Manual (2004) states: “Military objectives can be lawfully attacked. The presence of civilians at the military objective does not influence the status of the military objective.” 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, § 1.2.45.