Serious breach of the 1981 ceasefire

Resolution 425 called for respect for Lebanese sovereignty, immediate Israeli withdrawal and establishment of UNIFIL. Result: a formal international framework for withdrawal and peacekeeping;...

The first UNIFIL personnel arrived following Security Council resolutions 425 and 426. Result: deployment of an international force tasked with confirming Israeli withdrawal, restoring peace and...

Following the March Israeli invasion, the first UNIFIL troops arrived. Lebanese communities and Palestinian factions faced a new international security presence. The deployment was intended to...

During a sharp escalation involving PLO attacks and Israeli responses, Israeli aircraft bombed PLO-associated targets in Beirut, causing civilian casualties and intensifying pressure for a...

US mediation by Philip Habib produced a ceasefire between Israel and the PLO, largely reducing cross-border hostilities for several months. The agreement did not resolve Palestinian dispossession,...

UN reporting identified another serious breach on 9 May 1982. The renewed violence occurred amid unresolved disputes over the PLO presence in Lebanon and Israeli military actions. The escalation...

Members of the Abu Nidal Organisation, a Palestinian group opposed to the PLO, attempted to assassinate Israeli ambassador Shlomo Argov in London. Israel invoked the attack in the crisis preceding its...

Israeli air strikes in the Beirut area were followed by intensive exchanges of fire involving PLO and Lebanese National Movement forces and Israeli forces and their local allies. The UN appealed for a...

Security Council Resolution 508 called for all military activities in Lebanon and across the border to cease by 06:00 local time on 6 June. The PLO affirmed a commitment to halt cross-border...

Israel launched a major ground invasion of Lebanon after aerial bombardment and cross-border fighting. PLO and Lebanese National Movement forces resisted Israeli advances; UNIFIL attempted to obstruct...