KARACH I: National T20 event has been moved from Lahore to Karachi due to dengue epidemic in the Punjab,President Asif Zardari on Tuesday ordered the country's cricket authorities to shift the domestic T20. The idea to relocate the championship came up during a meeting between the president and sportsmen during a meeting Tuesday.Sources said that Zardari used his powers as PCB's chief patron to move the event from Lahore because of a dengue outbreak after Board chairman Ijaz Butt told him that the event cannot be relocated because of technical problems.T20 event will be held in Karachi from September 25 as scheduled