AFP/Getty Images
A firefighter stands after extinguishing burning cars at the site of an explosion in Beirut's southern suburb of Bir al-Abed on July 9, 2013.
A car bomb rocked a stronghold of the Shiite militant Hezbollah group south of the Lebanese capital Tuesday, wounding at least 53 people and setting several cars ablaze in the most serious knock-on effect from Syria's civil war on its smaller neighbor since the Syrian crisis began, officials said.