Related Rule
Cyprus
Practice Relating to Rule 70. Weapons of a Nature to Cause Superfluous Injury or Unnecessary Suffering
In 1977, during a debate in the First Committee of the UN General Assembly, Cyprus stated that napalm caused unnecessary suffering. 
Cyprus, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ 32/PV.44, 24 October 1977, p. 17.