Dozens killed in bloodiest day of Syria uprising

Syrian protestor burn a poster of Syrian president Bashar Assad during a demonstration in front of the Syrian embassy in Nicosia, Friday, April 22, 2011. Several hundred Syria protesters resident in Cyprus have called for Syrian President Bashar Assad's ouster. (AP Photo/Petros Karadjias)

April 22, 2011 5:20:00 PM PDT
Syrian security forces fired bullets and tear gas Friday at tens of thousands of protesters across the country, killing at least 75 people in the bloodiest day of the monthlong uprising and signaling that the authoritarian regime was prepared to turn more ruthless to put down the revolt against President Bashar Assad.