High Quality Content by WIKIPEDIA articles! United Nations Security Council Resolution 425, adopted on March 19, 1978, five days after the Israeli invasion of Lebanon, called on Israel to withdraw immediately its forces from Lebanon and established the United Nations Interim Force In Lebanon (UNIFIL). It was adopted by 12 votes to none, while Czechoslovakia and the Soviet Union abstained, and China did not participate.U.N. Security Council Resolution 425 was issued five days after the Israeli invasion of Lebanon on March 14, 1978 in what was referred to as Operation Litani. The invasion was triggered by the March 11, 1978 massacre of 37 Israeli civilians riding in a bus in the Tel Aviv area by members of Palestine Liberation Organization (PLO) infiltrating from Lebanon -- See Coastal Road massacre. This attack was, however, just the latest and most deadly in a string of attacks launched from Lebanese territory.