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

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Damaged buildings are seen in Al-Khalidiya neighborhood of Homs, Syria, December 16, 2012.

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A Free Syrian Army fighter carries his weapon as he walks along a damaged street in Aleppo's Khan al-Wazeer district, Syria, December 16, 2012.

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Free Syrian Army fighters pose with a tank after capturing the Military Infantry School following heavy clashes, Aleppo, Syria, December 16, 2012.

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In this Saturday, Dec. 15, 2012 photo, Free Syrian Army fighters react after an explosion during heavy clashes with government forces at a military academy besieged by the rebels north of Aleppo, Syria.