United Nations Security Council Resolution 573

On September 25, 1985, three Israeli citizens were murdered aboard their yacht in Larnaca, Cyprus.[5] The killers were identified by Israeli officials as members of Force 17, a unit described as closely associated with the PLO leadership under Yasser Arafat.[5] Israel's government decided the attack warranted a military response against PLO infrastructure in Tunisia, where the organization had relocated its headquarters after being expelled from Lebanon; Tunisia had agreed to a U.S. request to host the PLO, and Arafat had established his base in Tunis.[6]

On October 1, 1985, the Israeli Air Force conducted what became known as Operation Wooden Leg, striking PLO headquarters and Force 17 facilities at Hammam al-Shatt — recorded in various sources also as Hamman-Plage or Hammam Chatt — approximately 21 miles southeast of Tunis.[4][7] The mission was described as the longest strike in the Israeli Air Force's history, with a distance of 1,280 miles each way, requiring careful planning for in-flight refueling, communications, and rescue contingencies.[5] Arafat's headquarters took a direct hit.[5] Arafat escaped harm.[7] An estimated 60 people were killed, many of them PLO members, with civilian casualties among Tunisian locals also reported.[6] President Ronald Reagan described the Israeli action as an understandable "expression of self defense" and a "legitimate response to terrorist attacks."[4]

Tunisia filed a formal complaint with the Security Council on October 1, the same day as the strike.[8] When the Council convened on October 4 at its 2615th meeting, it considered Tunisia's complaint and heard a statement from Tunisia's foreign minister.[1][3] The resolution's preamble recorded that the raid had caused heavy loss of human life and extensive material damage, that it had taken place in the area of Hamman-Plage in the southern suburbs of Tunis, and that the Israeli government had claimed responsibility for the attack.[3] The Council also expressed concern about the raid's threat to peace and security in the Mediterranean and its potential effect on efforts toward a just and lasting peace in the Middle East.[3]

The resolution was adopted by a vote of 14 in favor, none against, and one abstention.[2] The United States cast the sole abstention rather than a veto. The administration cited the provocation that had led to Israel's response while characterizing the resolution as one-sided; U.S. officials were also concerned about repercussions for Tunisian President Habib Bourguiba's pro-American government and about a possible anti-American backlash in the Arab world.[4] The Council's action was reported as the first condemnation of Israel since the 1981 bombing of Iraq's nuclear reactor.[8]

In its operative clauses, the Council vigorously condemned what it characterized as an act of armed aggression perpetrated by Israel against Tunisian territory, calling it a flagrant violation of the UN Charter, international law, and norms of conduct.[3] It demanded that Israel refrain from such acts or threats in the future and urged all UN member states to take measures to dissuade Israel from resorting to them against the sovereignty and territorial integrity of any state.[3]

The resolution also affirmed that Tunisia had a right to appropriate reparations for the loss of life and material damage resulting from the attack, for which Israel had claimed responsibility.[3] The Council requested that the Secretary-General report on the implementation of the resolution by November 30, 1985, and decided to remain seized of the matter.[3]

Tunisia invoked Resolution 573 in subsequent diplomatic efforts to obtain compensation. A U.S. State Department telegram dated March 12, 1987, recorded that Tunisia's deputy foreign minister had raised the question of ex gratia compensation with the U.S. Embassy in Tunis on March 6 of that year, citing the Security Council resolution as supporting Tunisia's right to seek redress.[9] The U.S. position was that any such payment would be a matter for Israel alone to decide and that the United States bore no responsibility for the raid.[9] The telegram noted that Tunisian losses from the attack remained a domestic political issue with ongoing implications for U.S.-Tunisian relations.[9]

Israeli Defense Minister Yitzhak Rabin asserted that Tunisian nationals killed or injured in the raid were people working for the PLO — a claim presented at the time as Israel's position rather than as an independently verified finding.[4] The resolution text calls the targeted area Hamman-Plage, while the State Department telegram calls it Hammam Chatt.[3][9] Other accounts use Hammam al-Shatt or Hamam-a-Shatt.[5][8]

The legal and political characterization of the October 1 strike was sharply contested from the outset. The Security Council's resolution described the raid as an act of armed aggression and a flagrant violation of international law.[3] President Reagan, by contrast, described the Israeli action as an understandable "expression of self defense" and a "legitimate response to terrorist attacks."[4] The following day, the White House said the bombing "cannot be condoned" while continuing to characterize it as an understandable expression of self-defense.[4]

Israel's stated rationale rested on Force 17's responsibility for the Larnaca murders and the broader pattern of PLO-directed terrorist attacks on Israeli civilians.[5] The United States abstained rather than vetoing the resolution, citing its one-sided nature and expressing concern about repercussions for President Bourguiba's pro-American government.[4] The casualty figures reported across sources vary in precision: the BESA Center estimated approximately 60 deaths, largely PLO members but including Tunisian civilians, while The Jerusalem Post described "dozens" of Palestinian terrorists and Tunisians killed without providing a detailed breakdown.[6][7]