EGYPT ALERT : DEMONSTRATORS ATTACKED IN TAHRIR SQUARE TODAY 09.03.11 AT 5.15 PM.

CAIRO, March 9 (UPI) -- At least 12 people were injured Wednesday when mobs armed with knives attacked protesters in Egypt's Liberation Square, hospital officials said.

Men carrying knives tried to break up a group of protesters gathered in the central square in Cairo. The fighting left 12 people injured, hospital officials told Egyptian daily newspaper Al-Masry Al-Youm.

Liberation Square demonstrators Wednesday were calling for the trial of former President Hosni Mubarak and an end to the emergency law in place for much of the last 30 years.