** FILE ** In this Thursday, March 28, 2013, photo released by the Syrian official news agency SANA, a Syrian doctor treats an injured man who was wounded at the open-air cafeteria at Damascus University in the central Baramkeh district, in Damascus, Syria. More than 6,000 people were killed in the Syrian civil war in March alone, according to a leading activist group that reported it was the deadliest month yet in the 2-year-old conflict. (AP Photo/SANA, File)