Beirut Car Bomb Kills Ex-Minister Chatah

Civilians, soldiers and policemen gather at the site of an explosion in downtown Beirut, Lebanon, Dec. 27, 2013, that killed former finance minister Mohamad Chata.

Forensic inspectors examine the site of an explosion in downtown Beirut, Lebanon, Dec. 27, 2013.

Lebanese firefighters extinguish burned vehicles at the scene of an explosion in Beirut, Lebanon, Dec. 27, 2013.

A view of a crater that was caused by an explosion in the downtown area of Beirut, Lebanon, Dec. 27, 2013.

Lebanese police detain a suspect at the site of an explosion in downtown Beirut, Lebanon, Dec. 27, 2013.

A security officer fires his pistol as smoke rises from the site of an explosion in the downtown area of Beirut, Lebanon, Dec. 27, 2013.

A Lebanese army soldier gestures as he runs near the site of an explosion in the downtown area of Beirut, Lebanon, Dec. 27, 2013.

A Lebanese Army soldier stands next to a destroyed car at the scene of an explosion in central Beirut, Lebanon, Dec. 27, 2013.