Chairman of the Pakistan Cricket Board (PCB) Mohsin Naqvi has said playgrounds and stadiums will be upgraded to modern standards in line with global criteria.Talking to newsmen at the Gaddafi stadium in Lahore today, he said the matches of the Champions Trophy will be held in Karachi, Lahore and Rawalpindi.Mohsin Naqvi has expressed hope that ongoing renovation work at Gaddafi Stadium Lahore will be completed in time before ICC Champions Trophy.Source: Radio Pakistan