Analysis of information sources in references of the Wikipedia article "لبنانی خانہ جنگی" in Urdu language version.
The carnage began immediately. It was to continue without interruption till Saturday noon. Night brought no respite; the Phalangist liaison officer asked for illumination and the Israelis duly obliged with flares, first from mortars and then from planes.
From there, small units of Phalangist militiamen, roughly 150 men each, were sent into Sabra and Shatila, which the Israeli army kept illuminated through the night with flares.
and while Israeli troops fired a stream of flares over the Palestinian refugee camps in the Sabra and Shatila districts of West Beirut, the Israeli's Christian Lebanese allies carried out a massacre of innocents there which was to shock the whole world.