On 25 July 1993 Israel launched Operation Accountability, known in Lebanon as the Seven-Day War. The given reason was to retaliate for the death of IDF soldiers in the "security zone", which Israel had created in 1985 in southern Lebanon to protect its northern borders from both Hezbollah and the Popular Front for the Liberation of Palestine – General Command. On 10 July Hezbollah undertook an operation in which 5 Israeli soldiers were killed; a further attack on 19 July caused several further casualties to the IDF, and on the 23rd. another Israeli soldier was killed. Cross-border raids were frequent from both sides, and Operation Accountability arose from the escalation in hostilities. Thousands of buildings were bombed, resulting in 120 dead and 500,000 displaced civilians. Israeli forces also destroyed infrastructure such as power stations and bridges. According to Michael Brecher, the aim of Operation Accountability was to precipitate a large flight of Lebanese refugees from the south towards Beirut and thereby put the Lebanese government under pressure to rein in Hezbollah. Hezbollah retaliated with rocket attacks on Israeli villages, though inflicting significantly fewer casualties. After Lebanon complained to the UN, the Security Council called on Israel to withdraw its occupying forces from Lebanese territory. A truce agreement brokered by the US secured an Israeli undertaking to stop attacks north of its security zone in Lebanon, and a Hezbollah agreement to desist from firing rockets into Israel.