Norma relacionada
Practice Relating to Rule 1. The Principle of Distinction between Civilians and Combatants
Section C. Attacks against civilians
In its written statement submitted to the ICJ in the Nuclear Weapons case in 1995, Egypt asserted that the use of nuclear weapons would violate basic principles of the international law of armed conflict, including “the prohibition to attack civilians”. 
Egypt, Written statement submitted to the ICJ, Nuclear Weapons case, 20 June 1995, § 35(B)(1).