Forces loyal to Syria's President Bashar Al-Assad search for survivors under the debris at a hotel used by Assad's forces, in old Aleppo on May 8. Syrian rebels detonated a huge bomb underneath the Aleppo hotel on Thursday, destroying it and damaging other buildings on the edge of the city's medieval citadel.The rebel Islamic Front, which claimed responsibility for the explosion, published video footage which showed a huge column of debris and dust erupting into the Aleppo skyline. Reuters/George Ourfalian