
In this photo from March 10, 2012, Hana, 12, flashes the victory sign next to her sister Eva, 13, as they recover from severe injuries after the Syrian Army shelled their house in Idlib, north Syria. Their father and two siblings were killed. (Associated Press)

In this photo from March 10, 2012, Aida cries as she recovers from severe injuries after the Syrian Army shelled her house in Idlib north Syria. Aida's husband and and two children were killed after their home was shelled. (Associated Press)

Free Syrian Army fighters take cover during fierce fighting against government troops in Idlib, Syria, on Saturday, March 10, 2012. (AP Photo/Rodrigo Abd)

Free Syrian Army fighters take cover during fierce fighting against government troops in Idlib, north Syria, Saturday, March 10, 2012. (AP Photo/Rodrigo Abd)

Free Syrian Army supporters chant anti-government slogans under snowfall on the outskirts of Idlib in north Syria, on Feb. 29, 2012. (Associated Press)

Free Syrian Army soldiers gather Feb. 28, 2012, outside a house destroyed in fighting against President Assad's forces in Sarmin, north Syria. (Associated Press)

A Free Syrian Army fighter takes a position Feb. 27, 2012, as the Syrian Army advances towards the town of Sarmin, Syria. (Associated Press)

A Syrian rebel looks out after Syrian army tanks enter the northwestern city of Idlib, Syria, on Feb. 14, 2012. (Associated Press)

Anti-regime protesters hold up a Syrian army defector as they chant slogans against Syrian President Bashar Assad during an evening protest in the Rastan area of Syria's Homs province on Monday, Jan. 30, 2012. (AP Photo)