Free Syrian Army fighters play with snow near Aleppo International Airport in Aleppo
Free Syrian Army fighters play with snow near Aleppo International Airport in Aleppo December 13, 2013. REUTERS/Molhem Barakat (SYRIA - Tags: POLITICS CIVIL UNREST)
Free Syrian Army fighters walk towards Aleppo International Airport in Aleppo
Free Syrian Army fighters walk towards Aleppo International Airport in Aleppo December 13, 2013. REUTERS/Molhem Barakat (SYRIA - Tags: POLITICS CIVIL UNREST)
Free Syrian Army fighters warm themselves around a heater in Aleppo's Bustan al-Basha district
Free Syrian Army fighters warm themselves around a heater in Aleppo's Bustan al-Basha district December 13, 2013. REUTERS/Molhem Barakat (SYRIA - Tags: POLITICS CIVIL UNREST)
A Free Syrian Army fighter warms his hands as his fellow fighters try to locate snipers loyal to Syria's President Bashar al-Assad near Aleppo International Airport in Aleppo
A Free Syrian Army fighter warms his hands as his fellow fighters try to locate snipers loyal to Syria's President Bashar al-Assad near Aleppo International Airport in Aleppo December 13, 2013. REUTERS/Molhem Barakat (SYRIA - Tags: POLITICS CIVIL UNREST)
Free Syrian Army fighters with their weapons walk near Aleppo International Airport in Aleppo
Free Syrian Army fighters with their weapons walk near Aleppo International Airport in Aleppo December 13, 2013. REUTERS/Molhem Barakat (SYRIA - Tags: POLITICS CIVIL UNREST)
Members of Shi'ite group Asaib Ahl al-Haq, who support Syrian President Bashar al-Assad, carry the coffins of fighters from their group, during a funeral in Najaf
Members of Shi'ite group Asaib Ahl al-Haq, who support Syrian President Bashar al-Assad, carry the coffins of fighters from their group, during a funeral in Najaf, December 13, 2013. The Iraqi men, members of Asaib Ahl al-Haq, were killed in clashes with the Free Syrian Army in Syria, according to the group. REUTERS/Alaa Al-Marjani (IRAQ - Tags: CIVIL UNREST CONFLICT)
Mourners pray near the coffins of members of the Asaib Ahl al-Haq group, who were killed in clashes with the Free Syrian Army, during a funeral in Najaf
Mourners pray near the coffins of members of the Asaib Ahl al-Haq group, who were killed in clashes with the Free Syrian Army, during a funeral in Najaf, 160 km (99 miles) south of Baghdad, December 13, 2013. The Iraqi men, members of Asaib Ahl al-Haq, were killed in clashes with the Free Syrian Army in Syria, according to the group. REUTERS/Alaa Al-Marjani (IRAQ - Tags: CIVIL UNREST CONFLICT)
People walk along a street during snow fall in the Duma neighbourhood of Damascus
People walk along a street during snow fall in the Duma neighbourhood of Damascus, December 13, 2013. A powerful winter storm sweeping the eastern Mediterranean this week is causing mayhem across the region and inflicting extra hardships on Syrians convulsed in civil war and on refugees who have fled the fighting. The storm, named Alexa, is expected to last until Saturday, bringing more snow, rain and cold to swathes of Turkey, Syria, Lebanon, Jordan, Israel, the Palestinian territories and Egypt. REUTERS/Bassam Khabieh (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT ENVIRONMENT)
Syrian opposition seeks more help from abroad, warns of chaos
SYRIA-CRISIS/OPPOSITION:Syrian opposition seeks more help from abroad, warns of chaos
People talk together as one of them rides on a motorcycle during snow fall in the Duma neighbourhood of Damascus
People talk together as one of them rides on a motorcycle during snow fall in the Duma neighbourhood of Damascus, December 13, 2013. A powerful winter storm sweeping the eastern Mediterranean this week is causing mayhem across the region and inflicting extra hardships on Syrians convulsed in civil war and on refugees who have fled the fighting.The storm, named Alexa, is expected to last until Saturday, bringing more snow, rain and cold to swathes of Turkey, Syria, Lebanon, Jordan, Israel, the Palestinian territories and Egypt. REUTERS/Bassam Khabieh (SYRIA - Tags: POLITICS CIVIL UNREST)