Members of the Kurdish People's Protection Units man a weapon mounted on a pick-up truck as they take position behind cement blocks in the Iraqi city of Rabia
Members of the Kurdish People's Protection Units (YPG) man a weapon mounted on a pick-up truck as they take position behind cement blocks in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes with Islamic State militants are taking place August 29, 2014. REUTERS/Rodi Said (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT)
Britain raises its terrorism threat level over Syria, Iraq
BRITAIN-SECURITY/THREAT (UPDATE 2):UPDATE 2-Britain raises its terrorism threat level over Syria, Iraq
Islamist gains in Syria alarm some Assad allies
SYRIA-CRISIS/DISSENT:Islamist gains in Syria alarm some Assad allies
A child reacts after what activists claim was shelling by forces loyal to Syria's President Bashar al-Assad in Old Aleppo's Kadi Askar area
A child reacts after what activists claim was shelling by forces loyal to Syria's President Bashar al-Assad in Old Aleppo's Kadi Askar area August 29, 2014. REUTERS/Abdalrhman Ismail (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents remove goods from their damaged shop after what activists claim was shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa
Residents remove goods from their damaged shop after what activists claim was shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa August 29, 2014. REUTERS/Stringer (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents inspect shops damaged by what activists claim is shelling from forces loyal to Syria's President Bashar Al-Assad on Al-Naeem square in central Raqqa
Residents inspect shops damaged by what activists claim is shelling from forces loyal to Syria's President Bashar Al-Assad on Al-Naeem square in central Raqqa August 29, 2014. REUTERS/Stringer (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A car drives by shops damaged by what activists claim is shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa
A car drives by shops damaged by what activists claim is shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa August 29, 2014. REUTERS/Stringer (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Residents inspect damage due to what activists claim is shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa
Residents inspect damage due to what activists claim is shelling from forces loyal to Syria's President Bashar al-Assad on Al-Naeem square in central Raqqa August 29, 2014. REUTERS/Stringer (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
U.S. sends arms to bolster Lebanon army after Islamist incursion
LEBANON-SECURITY/ARMS:U.S. sends arms to bolster Lebanon army after Islamist incursion