Brutal riots have broken out across Egypt in response to the military removal of President Mohammed Morsi. A graphic video has emerged showing what appears to be an Al Qaeda mob as the trap four teenagers and throw three of them from a rooftop before beating one 19-year-old to death.

Hamada Badr and three of his friends were out celebrating the ousting of Egypt's fifth president last Friday when they were met by a mob of Morsi Muslim Brotherhood supporters. After the four boys were chased onto a 20-foot ledge on top of a building in the city of Alexandria, the callous gang started to pelt the frightened teens with rocks.

Footage taken from across the street shows the radical Islamists reaching the group before tossing three of them, including Badr, off of the ledge into a crowd of enraged protesters. Lying motionless on the building's rooftop, Badr and his friends are continuously kicked and beaten until the video is cut off.

At this time, local media reports have only confirmed Badr's death from this horrifying incident; however, 12 other people were killed on the day this video was taken, mostly from gunshot wounds.

"Do you know the teen that they killed and disfigured his body and threw from the fifth floor is only 19 and four days," Badr's father Mohammed told el-Watan News.

"All he was guilty of was that he was on the roof of the building, celebrating the ousting of Morsi. But the Brotherhood waged a war against whoever was celebrating Morsi's departure. After throwing him, they wanted to do the same with the others, but people in the neighbourhood stopped them."

On Monday, the fifth day since a military coup overthrew ex-President Morsi, 42 Morsi supporters were killed outside of the Cairo police barracks where the Islamist leader is being held. Conflicting reports argue whether the group members were participating in their morning prayer ritual or the military action was in response to "a terrorist group" trying to enter the Republican Guard, Reuters reported.