BEIRUT - Amateur video posted on You Tube on Monday showed images of 20 dead Syrian soldiers, blindfolded and handcuffed, after they were apparently executed in the northern city of Aleppo.

Two videos showed the dead men dressed in army fatigues and kneeling in a long line along a road with their bloodied heads lying on the pavement. It was not possible to verify the authenticity of the videos.

The videos showed rebel fighters holding assault rifles standing around the dead men, calling them "(President Bashar) Assad's Dogs."

"The Suleiman al-Farisi brigade...killed several members from the (state) security," a man said off camera, filming a car with the name of the brigade written on the bonnet. The Suleiman al-Farisi brigade, from the northern town of al-Bab, is one of several units from Aleppo province that have taken up arms against Assad.

Navi Pillay, the UN High Commissioner for Human Rights blamed on Monday both sides in the Syrian conflict for human rights violations and said that justice would eventually catch up with them.

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