U.N. Secretary-General Ban Ki-moon condemned the escalation of violence in Syria, saying reports of government warplanes bombing a Palestinian refugee camp are of "grave concern."
ພາບຫລ້າສຸດ ຈາກຊີເຣຍ
![In this Saturday, Dec. 15, 2012 photo, Free Syrian Army fighters aim their weapons as they chant religious slogans during heavy clashes with government forces at a military academy besieged by the rebels north of Aleppo, Syria.](https://gdb.voanews.com/1336c18d-bcfe-45f0-bf4c-8be46ae7e536_w1024_q10_s.jpg)
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In this Saturday, Dec. 15, 2012 photo, Free Syrian Army fighters aim their weapons as they chant religious slogans during heavy clashes with government forces at a military academy besieged by the rebels north of Aleppo, Syria.
![Syria, deaths from conflict, updated December 20, 2012](https://gdb.voanews.com/d560161c-f2cb-403e-9f4b-643928213bcb_w1024_q10_s.png)
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Syria, deaths from conflict, updated December 20, 2012
![Syrian people seen near a damaged building after it was attacked by a Syrian Army Jet in Azaz, Syria, Sunday, Dec 16, 2012.](https://gdb.voanews.com/cdce5dcd-32f9-44fa-959d-74fcec80a743_w1024_q10_s.jpg)
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Syrian people seen near a damaged building after it was attacked by a Syrian Army Jet in Azaz, Syria, Sunday, Dec 16, 2012.
![People near a damaged building after it was attacked by a Syrian Army jet in Azaz, Syria, December 16, 2012.](https://gdb.voanews.com/9848594c-1548-4351-a2ec-8517a85b6fef_w1024_q10_s.jpg)
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People near a damaged building after it was attacked by a Syrian Army jet in Azaz, Syria, December 16, 2012.