Peace negotiations by the United States The ring around Beirut was closed by 13 June 1982, 7 days after the start of Israeli invasion to Lebanon. PLO and part of Syrian forces were isolated in the city. Israel hoped to complete the siege as quickly as possible; their goal all along in invading Lebanon was for a quick and decisive victory. In addition, the
United States, through their representative
Philip Habib, was pushing for peace negotiations; the longer the siege took, the greater Arafat's
bargaining power would be.
Role of Lebanese Christian militias At first Israelis thought that
Maronite forces would eradicate the PLO quasi-government in Beirut, but it turned out that the Maronites were not prepared to undertake this task. For the IDF, the capture of Beirut in street-to-street fighting would have involved unacceptable level of casualties. This is why the method chosen, was the combination of military pressure and
psychological warfare to persuade the PLO that the only alternative to surrender was total annihilation.
Israeli attacks on Palestinian leaders For seven weeks, Israel attacked the city by sea, air, and land, cutting off food and water supplies, disconnecting the electricity, and securing the airport and some southern
suburbs, but for the most part coming no closer to their goals. As with most sieges, thousands of
civilians in the city were killed alongside PLO guerrillas. Israel was roundly accused of indiscriminately shelling the city in addition to the other measures taken to weaken the PLO. By the end of the first week of July 500 buildings had been destroyed by Israeli shells and bombs. On 14 July, Sharon and chief of staff
Rafael Eitan obtained Prime Minister Begin's support for a large scale operation to conquer West Beirut in order to achieve the eviction of the PLO. But the plan was rejected on 16 July by the full Israeli cabinet, out of concern for heavy loss of life. Some parties threatened to leave the ruling coalition if the plan was adopted. At the end of July, with negotiations still deadlocked and a 27 day lull in fighting, the IDF intensified its attacks.
Mossad, using their
Phalangist contacts, sent Arab agents into Beirut with car bombs in order to terrorize the Palestinians into submission and the Lebanese to increase pressure for their departure. Dozens of people were killed in these bombings. Some of the Israeli agents were caught and ultimately confessed.
American-brokered peace agreement On 10 August, when American envoy
Philip Habib submitted a draft agreement to Israel, Sharon, probably impatient with what he regarded as American meddling, ordered a
carpet bombing of Beirut, during which at least 300 people were killed. That bombing was followed by a protest to the
Israeli government by
President Ronald Reagan. Within 20 minutes of a phone call between Reagan and Begin, in which the former said the bombings were going too far and needed to stop, Begin ordered the bombings stopped. On 12 August, the
Israeli cabinet stripped Ariel Sharon of most of his powers; he was not allowed to order the use of air force, armored force and artillery without agreement of the cabinet or prime minister. , used by the Palestinians as an ammunition depot amidst armed confrontations with the Israelis During the siege, the Israelis secured several key locations in other parts of Lebanon, but did not manage to take the city before a peace agreement was finally implemented. Although Syria had agreed on 7 August, Israel, Lebanon, and the PLO finally agreed, with US mediation, on the 18th. On 21 August, 350
French paratroopers arrived in Beirut, followed by 800
US Marines and
Italian Bersaglieri plus additional international peacekeepers (for a total force of 2,130) to supervise the removal of the PLO, first by ship and then overland, to
Tunisia,
Yemen,
Jordan, and
Syria. Altogether 8,500 PLO men were evacuated to Tunisia, and 2,500 by land to other Arab countries. ==Results==