An eyewitness told Aswat Masriya on Monday that the security forces fired indiscriminately at protesters, injuring dozens.
The witness added that the protesters seized an armored vehicle and set it to fire. He said that the security forces fired teargas directly at the protesters every ten minutes.
The armored vehicle belonged to the security forces. The security forces were taken by surprise and retreated in a random manner.
The vehicle ran over one of the protesters earlier, he was in the march heading from Sayeda Zeinab district to Qasr El-Nil Bridge on Monday.
The march was commemorating the "Friday of Rage" which took place on January 28 in 2011.
The witness said that the protesters captured one of the officers and some of them tried to assault him, but other protesters intervened to protect him while chanting "peaceful, peaceful".
The protesters took the armored vehicle to the heart of Tahrir Square, they chanted, "The people want to overthrow the regime" and "Leave... leave."