BEIRUT, Lebanon , May 31 (UPI) -- Lebanon's Muslim Shiite community, whose fortunes rose with the once-powerful Hezbollah , is facing what many are likening it to a "semi-Nakba." Shiites are bearing much of the cost of Israel's campaign against the Iran-backed group through the systematic displacement, destruction and depopulation of southern Lebanon -- their historic heartland. Fear, anger, and anxiety are mounting: this time not only over the community's future, but over its existence. The