Security forces closed Monday entry to Tahrir Square and coffee shops at downtown Cairo, out of fear from organizing a demonstration at them by protestors against Egyptian-Saudi agreement on two Red Sea islands of Tiran and Sanafir. Security presence at both areas has been intensified in case the protestors attempted to break into them, Al Bawaba News reported. Muslim Brotherhood (MB) terrorist group and several political movements, such as 6th of April and Revolutionary Socialists movements had called for a demonstration against the Egyptian-Saudi agreement on the two islands on April 25, which marks the Sinai Liberation Day.