Health PakistanKarachi police use water cannon to disperse nurses rallyManzar TurkMarch 28, 2012March 28, 2012 by Manzar TurkMarch 28, 2012March 28, 2012 Karachi: Police in Karachi on Wednesday baton-charged and used water cannons to disperse a protest rally of Nurses and paramedical staff that intended to march...