Lebanese security forces fired water cannon at protesters demonstrating against the government near Prime Minister Tammam Salam's offices in Beirut on Sunday, live television pictures showed. Protesters threw projectiles at a line of riot police blocking a road to the Grand Saray government buildings in central Beirut. Meanwhile, gunfire was heard in central Beirut on Sunday as security forces fired in the air in an apparent effort to drive anti-government protesters away from government offices in central Beirut, witnesses said. On Saturday, some three dozen people were injured when police used water cannon and tear gas against protesters who have mobilized over the government's failure to resolve a crisis over rubbish disposal. *The story was edited by Ahram Online. http://english.ahram.org.eg/News/138657.aspx