A child on a wheelchair rests on a street in Eastern Ghouta of Damascus
A child on a wheelchair rests on a street in Eastern Ghouta in Damascus January 3, 2014. Picture taken January 3, 2014. REUTERS/Diaa Al-Din (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Syrian rebel alliance battles al Qaeda-linked fighters
SYRIA-CRISIS/FIGHTING:Syrian rebel alliance battles al Qaeda-linked fighters
Free Syrian Army fighters rest in safehouse at frontline, in Eastern Ghouta of Damascus
Free Syrian Army fighters rest in a safehouse at a frontline, in Eastern Ghouta of Damascus January 2, 2014. Picture taken January 2, 2014. REUTERS/Ammar Al-Erbeeni (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Free Syrian Army fighters pose while carrying their weapons in a trench at a frontline, in Eastern Ghouta of Damascus
Free Syrian Army fighters pose while carrying their weapons in a trench at a frontline, in Eastern Ghouta of Damascus January 2, 2014. Picture taken January 2, 2014. REUTERS/Ammar Al-Erbeeni (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
Free Syrian Army fighters stand with weapons behind sandbags at frontline, in Eastern Ghouta of Damascus
Free Syrian Army fighters stand with their weapons behind sandbags at a frontline, in Eastern Ghouta of Damascus January 2, 2014. Picture taken January 2, 2014. REUTERS/Ammar Al-Erbeeni (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)
A girl joins Jordanian and Palestinian demonstrators in support of Palestinian refugees under seige in Syria's main refugee camp of Yarmouk during solidarity sit-in front of Red Cross offices in Amman
A girl shouts slogans as she joins Jordanian and Palestinian demonstrators in support of Palestinian refugees under seige in Syria's main refugee camp of Yarmouk in Damascus for over 170 days due to the ongoing violence in Syria, during a solidarity sit-in front of the Red Cross offices in Amman January 4, 2014. REUTERS/Muhammad Hamed (JORDAN - Tags: POLITICS SOCIETY IMMIGRATION CIVIL UNREST CONFLICT)
Smoke rises after what activists said were explosions at gas pipelines near Damascus international airport, in Erbeen, Damascus
Smoke rises after what activists said were explosions at gas pipelines near Damascus international airport, in Erbeen, Damascus January 3, 2014. Explosions hit two large Syrian gas pipelines on Friday near Damascus and the central city of Homs, cutting electricity supplies around the capital and in Mediterranean provinces, officials and activists said. Picture taken January 3, 2014. REUTERS/Diaa Al-Din (SYRIA - Tags: CIVIL UNREST CONFLICT ENERGY TPX IMAGES OF THE DAY)
Jordanian and Palestinian children shout slogans in support of Palestinian refugees under seige in Syria's main refugee camp Yarmouk in Damascus, during a solidarity sit-in front of the Red Cross offices in Amman
Jordanian and Palestinian children bang on pots as they shout slogans in support of Palestinian refugees under seige in Syria's main refugee camp Yarmouk in Damascus for over 170 days due to the ongoing violence in Syria, during a solidarity sit-in front of the Red Cross offices in Amman January 4, 2014. REUTERS/Muhammad Hamed (JORDAN - Tags: POLITICS SOCIETY IMMIGRATION CIVIL UNREST CONFLICT)
Smoke rises after what activists said were explosions at gas pipelines near Damascus international airport, in Erbeen, Damascus
Smoke rises after what activists said were explosions at gas pipelines near Damascus international airport, in Erbeen, Damascus January 3, 2014. Explosions hit two large Syrian gas pipelines on Friday near Damascus and the central city of Homs, cutting electricity supplies around the capital and in Mediterranean provinces, officials and activists said. Picture taken January 3, 2014. REUTERS/Diaa Al-Din (SYRIA - Tags: CIVIL UNREST CONFLICT ENERGY)
Jordanian and Palestinian children shout slogans in support of Palestinian refugees under seige in Syria's main refugee camp Yarmouk in Damascus, during solidarity sit-in front of Red Cross offices in Amman
Jordanian and Palestinian children shout slogans in support of Palestinian refugees under seige in Syria's main refugee camp Yarmouk in Damascus for over 170 days due to the ongoing violence in Syria, during a solidarity sit-in front of the Red Cross offices in Amman January 4, 2014. REUTERS/Muhammad Hamed (JORDAN - Tags: POLITICS SOCIETY IMMIGRATION CIVIL UNREST CONFLICT)