A rebel fighter carries his weapon as he walks among rubble in the Damascus suburb of Harasta
A rebel fighter carries his weapon as he walks among rubble in the Damascus suburb of Harasta August 24, 2014. Picture taken August 24, 2014. REUTERS/Badra Mamet (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A rebel fighter gestures as he talks with fellow fighters inside a building on the frontline in the Damascus suburb of Harasta
A rebel fighter gestures as he talks with fellow fighters inside a building on the frontline in the Damascus suburb of Harasta August 24, 2014. Picture taken August 24, 2014. REUTERS/Badra Mamet (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Rebel fighter hands weapon to fellow fighter as they move inside building on frontline in Damascus suburb of Harasta
A rebel fighter hands a weapon to his fellow fighter as they move inside a building on the frontline in the Damascus suburb of Harasta August 24, 2014. Picture taken August 24, 2014. REUTERS/Badra Mamet (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Rebel fighters carry weapons as they take positions inside building on the frontline in the Damascus suburb of Harasta
Rebel fighters carry their weapons as they take positions inside a building on the frontline in the Damascus suburb of Harasta August 24, 2014. Picture taken August 24, 2014. REUTERS/Badra Mamet (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Kidnappers free American missing in Syria since 2012
A Qatari source has told Reuters Peter Theo Curtis has been handed over to a representative of the United Nations in Syria
Still frame taken from video shows U.S. journalist Peter Theo Curtis, who has been freed by kidnappers in Syria
U.S. journalist Peter Theo Curtis is shown in this undated still frame taken from video courtesy of Al Jazeera on August 24, 2014. Kidnappers in Syria have freed the writer missing since 2012, U.S. Secretary of State John Kerry said on Sunday, following what Qatari-owned TV station Al Jazeera said were efforts by the Gulf Arab state to win his release. REUTERS/Al Jazeera/Handout via Reuters (SYRIA - Tags: POLITICS MEDIA CIVIL UNREST TPX IMAGES OF THE DAY) ATTENTION EDITORS � THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
Hundreds dead as Islamic State seizes Syrian air base - monitor
More than 500 people died in the fight over Tabqa base this week
Kidnappers free US journalist missing in Syria since 2012
A Qatari source has told Reuters Curtis has been handed over to a representative of the United Nations in Syria
Britain says it close to identifying beheading suspect
The horrific video showing the killing of Foley has inspired widespread revulsion in the West and a desire to hunt down the killer
U.S. Republicans pressure Obama to step up action against ISIS
SYRIA-CRISIS/REPUBLICANS:U.S. Republicans pressure Obama to step up action against ISIS