Yemeni fighters of the southern separatist movement, loyal to exiled President Abedrabbo Mansour Hadi, hold the movement's flag and brandish their weapons as they walk on a street in Aden's Khormaksar district on July 15, 2015. Loyalists of Yemen's exiled president, buoyed by their recapture of the airport, seized more ground in second city Aden as they pressed their biggest fightback yet against Iran-backed rebels. AFP PHOTO / SALEH AL-OBEIDI        (Photo credit should read SALEH AL-OBEIDI/AFP/Getty Images)