CAIRO: Tahrir Square was calm with an aura of caution after a delegation of demonstrators along with Omar Makram Mosque Imam Sheikh Mazhar Shahin agreed a ceasefire with the Central Security Forces. CSF and demonstrators agreed to limits, not to be crossed, for each other. Demonstrators moved to the square's center after the clashes stopped. National committees spread to all the square's entrances from Mohamed Mahmoud street, where they put security barriers. Some demonstrators stood in the center discussing the necessity for continuing the sit-in, holding their demands until they are achieved, investigating the incidents which resulted in deaths and injuries and punishing the involved in the incidents. The demonstrators also assured the necessity for a peaceful sit-in in the square.