Related Rule
Israel
Practice Relating to Rule 2. Violence Aimed at Spreading Terror among the Civilian Population
In a letter to the UN Secretary-General in 1991, Israel pointed out that SCUD missiles had been directed at civilians and that this method of “terror” by “intentional and unprovoked bombings” was a “flagrant breach of the norms of international law”. 
Israel, Letter dated 28 January 1991 to the UN Secretary-General, UN Doc. S/22160, 29 January 1991, p. 2.