Related Rule
Lesotho
Practice Relating to Rule 71. Weapons That Are by Nature Indiscriminate
In its written statement submitted to the ICJ in the Nuclear Weapons case in 1995, Lesotho stated: “Any use of nuclear weapons, even in self-defense, would violate international humanitarian law, including the Hague and Geneva Conventions, which prohibit as practices of war, indiscriminate killing.” 
Lesotho, Written statement submitted to the ICJ, Nuclear Weapons case, 20 June 1995, p. 2.