MIANWALI - A death-row inmate committed suicide by hanging with a rope in Central Jail here on Thursday.  Jail Superintendent Mirza Sajid Baig said that prisoner Muhammad Siddique, who was on death row, hung himself by putting a rope around his neck. He said that reason behind the suicide could not be ascertained so far.  An inquiry has been initiated into the incident.  The inmate had been imprisoned in the jail since 2010.