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Lebanese municipality workers clear debris from the site of a twin bombing attack in the area of Burj al-Barajneh in Beirut's southern suburb on November 13, 2015. Lebanon mourned 44 people killed in south Beirut in a twin bombing claimed by the Islamic State group, the bloodiest such attack in years, the Red Cross also said at least 239 people were also wounded, several in critical condition. AFP PHOTO/JOSEPH EID        (Photo credit should read JOSEPH EID/AFP/Getty Images)
Lebanese municipality workers clear debris from the site of a twin bombing attack in the area of Burj al-Barajneh in Beirut's southern suburb on November 13, 2015. Lebanon mourned 44 people killed in south Beirut in a twin bombing claimed by the Islamic State group, the bloodiest such attack in years, the Red Cross also said at least 239 people were also wounded, several in critical condition. AFP PHOTO/JOSEPH EID        (Photo credit should read JOSEPH EID/AFP/Getty Images)

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    Hezbollah warns of long war with ISIS

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Hezbollah warns of long war with ISIS

The terror group Hezbollah is vowing to retaliate against ISIS for the twin suicide bombings Thursday in Beirut that killed 43 and injured more than 200. CNN's Clarissa Ward reports.

Hezbollah warns of long war with ISIS

The terror group Hezbollah is vowing to retaliate against ISIS for the twin suicide bombings Thursday in Beirut that killed 43 and injured more than 200. CNN's Clarissa Ward reports.