A video uploaded onto YouTube and Liveleak depicts members of the Syrian Islamist al-Nour militia executing a "collaborator" by throwing him out a third-storey window.
According to the National Post report on this incident, the cameraman filming the execution is heard saying in Arabic: "this is what happens to all traitors who support the police or Shabbiha (regime militia)."
The man who was shoved out has been identified as Abu Wael Rashid, he screamed "in God's name, don't!" before being pushed out the window to his death.
Warning: Graphic video
This incident took place at an apartment complex in Nabk, 80 kilometers north of Damascus.
Both sides of the 16-month-long uprising against Syrian President Bashar al-Assad have received condemnation from international human rights groups over their various human rights violations which have included, but are not limited to, torture and the use of child soldiers in combat.