Burning buses are seen at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo
REFILE - CORRECTING TYPO Burning buses are seen at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo January 21, 2014. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Firefighters extinguish fire from burning vehicles at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo
REFILE - CORRECTING TYPO Firefighters extinguish fire from burning vehicles at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo January 21, 2014. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Kerry arrives for Syria peace talks
US Secretary of State John Kerry arrives in Switzerland a day before peace talks on Syria are due to kick off.
Men rush to a site hit by what activists say are barrel bombs dropped by government forces on al-Katerji district in Aleppo
Men rush to a site hit by what activists say are barrel bombs dropped by government forces on al-Katerji district in Aleppo, January 21, 2014. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)
Burning buses are seen at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo
Burning buses are seen at a bus station hit by what activists said was an airstrike by forces loyal to Syria's President Bashar al-Assad in Jisr al-Hajj in Aleppo January 21, 2014. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)
A man reacts near his house that was destroyed by what activists said was an airstrike on al-Myasar district in Aleppo
A man reacts near his house that was destroyed by what activists said was an airstrike on al-Myasar district in Aleppo, January 21, 2014. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Civilians carry their belongings after saving them from under the rubble of their houses that were destroyed by what activists said was an airstrike on al-Myasar district in Aleppo
Civilians carry their belongings after saving them from under the rubble of their houses that were destroyed by what activists said was an airstrike on al-Myasar district in Aleppo, January 21, 2014. REUTERS/Hosam Katan (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Kurds solidify autonomy in Syria on eve of peace talks
SYRIA-CRISIS/KURDS:Kurds solidify autonomy in Syria on eve of peace talks
Smoke rises from a bus station hit by what activists said was an airstike by forces loyal to Syria's President Bashar al-Assad, as garbage fills the street in Jisr al-Hajj in Aleppo
Smoke rises from a bus station hit by what activists said was an airstike by forces loyal to Syria's President Bashar al-Assad, as garbage fills the street in Jisr al-Hajj in Aleppo January 21, 2014. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)