Flames engulf vehicles in southern Beirut after a car bomb exploded wounding at least 18 people.<br/> <br />The neighbourhood is a Hezbollah stronghold, home to several of the militant Shi'ite group's political offices.<br/> <br />Tensions in Lebanon have been high since Hezbollah joined forces with the Syrian government to fight Sunni rebel insurgents.<br/> <br />The bomb was detonated in a car park near a shopping mall that was likely busy a day before the holy month of Ramadan begins.<br/> <br />It was not immediately clear who was behind the attack - the second to hit this district this year.
