However , the relations among the participants became tense mainly due to Frangieh 's pro-Syrian approach . In addition , in 1978 , Suleiman Frangieh 's son Tony and his family were killed by armed Kataeb militiamen trying to kidnap him acting on orders from Bashir Gemayel , the son of Pierre Gemayel . The incident is known as the Ehden massacre . It was this turning point that prompted Suleiman Frangieh to resign from the Front
Ehden massacre
Ehden massacre
Lebanese Front