Lebanese citizens gather at the scene of a blast in Beirut

Lebanese army investigators in white coverall inspect at the scene of an explosion in central Beirut

Lebanese firefighters extinguish burned vehicles at the scene of an explosion in Beirut

Lebanese firefighters extinguish burned vehicles at the scene of an explosion in Beirut

People run to help a wounded man as smoke rises from the site of an explosion in Beirut's

A security personnel fires his pistol as smoke rises from the site of an explosion in Beirut

Construction workers carry their colleague who was injured at the scene of an explosion in Beirut

A Lebanese Army soldier stands next to a destroyed car at the scene of an explosion in central Beirut

Lebanese security forces and firefighters gather at the scene of an explosion in central Beirut

Lebanese security forces and firefighters gather next to destroyed vehicles at the scene of an explosion in central Beirut