2 Katyusha rockets fired from Lebanon land near kibbutz Zarit in northern Israel; IDF receives order from Sharon not to cross Marine lines, even in pursuit of Palestinian guerrillas.
Lebanese security forces chief Hisham Shaar says 4 killed in 10 days by IDF reconnaisance by fire.
Israel/ Occupied Territories: Shamir reiterates Israeli rejection of Reagan plan, says only Camp David accords are acceptable; panic selling on Tel Aviv stock market with 40% fall in one week, paper loss of $500 million, following Government announcement of new regulation on mutual trust funds; head of Najah Univ. Student Council says he and other detained student leaders were subject to daily interrogations and beatings during 2 weeks of detention; Mayor Freij, in Cairo, meets with Foreign Minister Kamal Hassan Ali, urges PLO to negotiate with Israel on basis of Reagan plan.
Palestinians/ Lebanese: President Gemayel and representatives of MNF countries discuss ways to stop Israeli provocations against Marines.
US and Other Countries: US officials say Begin's visit to US delayed until agreement on troop withdrawal from Lebanon.
UN: Secretary General Perez de Cuellar, at press conference, says Middle East conflict can be settled through compromise formula of Reagan, Fez and Franco-Egyptian plans, that UN could provide framework for negotiations once a plan is agreed on.