Règle correspondante
Practice Relating to Rule 11. Indiscriminate Attacks
Ukraine’s IHL Manual (2004) states:
1.8.5. Serious violations of international humanitarian law directed against people include … launching attacks of an indiscriminate character in the knowledge that such attack will cause incidental loss of life or injury to civilians or damage to civilian objects. During combat in an urban environment … [s]pecial attention shall be paid to the prevention of targeting the civilian population and indiscriminate attacks. 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, §§ 1.8.5 and; see also § 2.4.3.