Al Jazeera, 15 August, 2013, 23:27

A car bomb explosion has killed at least 20 people in Beirut's southern suburbs, according to the Lebanese Interior Ministry. The explosion struck near a complex used by Hezbollah, the Shia political party and armed group that in recent months has become increasingly and more publicly involved in the conflict in neighbouring Syria. 

At least 200 people were injured in the blast [....] The blast put buildings and cars on fire and sent a column of black smoke over the densely populated area.

Hezbollah's television channel showed firemen helping residents trapped in their homes escape the flames, as well as a crowd of people in panic and rage, gathered near the site of the explosion.  "Terrorism has struck the southern suburbs again," said Al-Manar's television presenter, adding that Hezbollah was "paying the price for its position" [....]

Also see:

Deadly Blast Rocks a Hezbollah Stronghold in Lebanon
By Ben Hubbard and Hwaida Saad, New York Times, August 15/16, 2013

BEIRUT, Lebanon — A blast from a powerful car bomb tore through a southern suburb of this city on Thursday, killing at least 18 people and wounding nearly 300 in the heart of a stronghold of Hezbollah, the militant Shiite movement that has the country’s strongest military force.

The evening blast, which set apartment buildings ablaze and scattered bodies in the street, was the deadliest bombing in Lebanon in more than eight years and raised fears that the country was slipping into a new era of political violence [....]