by the United Nations, United Nations Security Council Resolution 582
“ Also deplores the escalation of the conflict, especially territorial incursions, the bombing of purely civilian centres, attacks on neutral shipping or civilian aircraft, the violation of international humanitarian law and other laws of armed conflict and, in particular, the use of chemical weapons contrary to obligations under the 1925 Geneva Protocol; Calls upon Iran and Iraq to observe an immediate cease-fire, a cessation of all hostilities on land, at sea and in the air and withdrawal of all forces to the internationally recognized boundaries without delay ”
