People gather near the site of a twin suicide attack in Burj al-Barajneh, southern Beirut, Lebanon, Thursday, Nov. 12, 2015 that struck a Shiite suburb killed and wounded dozens, a Lebanese official said. (AP)
Members of Hezbollah's civil defence (which is distinct and operates separately from the Lebanese government's civil defence organisation) investigate the site of a twin bombing November 13, 2015 (AFP)
Lebanese army and civilians gather near the site of a twin suicide attack in Burj al-Barajneh, southern Beirut, Lebanon, Thursday, Nov. 12, 2015 (AP)
Forensic inspectors examine the site of the two explosions that occured on Thursday in the southern suburbs of the Lebanese capital Beirut, November 13, 2015 (Reuters)
Lebanese youth Jannat, 12, who was wounded in a twin bombing attack that rocked a busy shopping street in the area of Burj al-Barajneh, a Beirut stronghold of Lebanon November 13, 2015 (AFP)
Lebanese forensic police investigate the site of a twin bombing attack that rocked a busy shopping street in the area of Burj al-Barajneh, a Beirut stronghold November 13, 2015 (AFP)
A man sits outside damaged shops at the site of the two explosions that occured on Thursday in the southern suburbs of the Lebanese capital Beirut November 13, 2015 (Reuters)
Lebanese soldiers arrest a suspected attacker attacker near the scene of a twin suicide attack in Burj al-Barajneh, southern Beirut, Lebanon, Thursday, Nov. 12, 2015 (AP)
Lebanese forensic police, security forces and members of the Hezbollah movement inspect the site of a twin bombing attack that rocked a busy November 13, 2015 (AFP)
Emergency personnel and civilians gather at the site of a twin suicide bombing in Burj al-Barajneh, in the southern suburbs of the capital Beirut on November 12, 2015 (AFP)
A woman stands on her damaged balcony at the site of the two explosions that occured on Thursday in the southern suburbs of the Lebanese capital Beirut, November 13, 2015 (Reuters)
Emergency personnel inspect the debris at the site of a twin suicide bombing in Burj al-Barajneh, in the southern suburbs of the capital Beirut on November 12, 2015(AFP)
Lebanese army and civilians gather near the site of a twin suicide attack in Burj al-Barajneh, southern Beirut, Lebanon, Thursday, Nov. 12, 2015 (AP)
Lebanese Red Cross responders stand near the site of a twin suicide attack in Burj al-Barajneh, southern Beirut, Lebanon, Thursday, Nov. 12, 2015 (AP)