Open this photo in gallery A Coral petrol station in Beirut, Lebanon, on Aug.... 19. ANWAR AMRO/ AFP/ Getty ImagesA dispute over scarce fuel supplies ignited sectarian tensions between neighbouring Shi’ite Muslim and Christian villages in southern Lebanon over the weekend, forcing the army to intervene, a security source said. Clashes mostly centred on the crippling gasoline and diesel shortages have become a daily occurrence in Lebanon, prompting growing concern about a descent into chaos afte