CAIRO, Dec 16 (Aswat Masriya) The Egyptian authorities stepped up its security presence around the cabinet headquarters and the parliament houses in Cairo's downtown on Monday, in preparation for the second commemoration of  the cabinet clashes that occurred in 2011.

Clashes broke out between protesters and security forces outside the cabinet headquarters in December 2011, leaving three people dead and 255 wounded.

Some rights groups and revolutionary forces plan to march towards the cabinet headquarters from the Cairo Opera House on Monday "in light of the impunity of the killers of protesters," according to a statement issued Monday.

Traffic in Tahrir Square, usually a center of protests, is steady despite the heavy security presence where some army vehicles are deployed at the square's entrances.