Residents and medics transport a Syrian Army soldier, wounded in what they said was a chemical weapon attack near Aleppo, March 19, 2013.

People wounded in what the Syrian government said was a chemical weapons attack breathe through oxygen masks as they are treated at a hospital in Aleppo, March 19, 2013.

The reflection of a Syrian woman and child in a puddle at the Bab al-Hawa refugee camp in the northwestern Syrian province of Idlib, March 18, 2013.

Demonstrators dance during a protest marking two years since the start of the uprising, in the Bustan al-Qasr district in Aleppo March 17, 2013

Children at the Oumar Al-Ard Al-Taalimi Education Centre in Aleppo, March 17, 2013. The school for children was founded and is supervised by a group of young activists.

Syrian children play outside their makeshift houses at the refugee camp of Qah, in the village of Atme in Idlib province, March 17, 2013.

A man inspects the damaged interior of Al-fadail mosque in Homs, March 16, 2013.

A fighter from the Aoun-bi-allah Brigade, which operates under the Free Syrian Army, takes a smoke break in Aleppo, March 16, 2013.

A protestor waves a Syrian flag during a demonstration against violence in Syria in front of the Pantheon in Paris, March 15, 2013.