The newly upgraded General Santos City Airport(PNA photo by Richelyn Gubalani) GENERAL SANTOS CITY -Flag carrier Philippine Airlines (PAL) is planning to open as early as next month direct flights between this city and Kuala Lumpur, Malaysia, reviving the international status of the newly upgraded airport. Department of Transportation (DOTr) Secretary Arthur Tugade disclosed this development during the inspection by President Rodrigo Duterte on Monday night of the airport's new passenger terminal building and other vital facilities. "On Dec. 9, PAL formally signified to us that they will again start their international operations (for the) GenSan-Kuala Lumpur-GenSan (route)," he announced during his speech. Tugade said the opening of the upcoming flights will upgrade the city airport to international status after being "delayed and suspended" for a long time. He credited the move to the completion last September of the rehabilitation of the airport's passeng